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1423956492 = 2232729271719
BaseRepresentation
bin101010011011111…
…1101101000001100
310200020102111002100
41110313331220030
510404013101432
6353144155100
750200300440
oct12467755014
93606374070
101423956492
11670871652
12338a68a90
13199018a0a
14d718a820
158502807c
hex54dfda0c

1423956492 has 144 divisors (see below), whose sum is σ = 4277145600. Its totient is φ = 390821760.

The previous prime is 1423956467. The next prime is 1423956493. The reversal of 1423956492 is 2946593241.

It is a super-2 number, since 2×14239564922 = 4055304182217892128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1423956493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1980109 + ... + 1980827.

It is an arithmetic number, because the mean of its divisors is an integer number (29702400).

Almost surely, 21423956492 is an apocalyptic number.

1423956492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423956492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2138572800).

1423956492 is an abundant number, since it is smaller than the sum of its proper divisors (2853189108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423956492 is a wasteful number, since it uses less digits than its factorization.

1423956492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036 (or 1031 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 1423956492 is about 37735.3480439760. The cubic root of 1423956492 is about 1125.0338075766.

The spelling of 1423956492 in words is "one billion, four hundred twenty-three million, nine hundred fifty-six thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 29 36 42 58 63 84 87 116 126 174 203 252 261 271 348 406 522 542 609 719 812 813 1044 1084 1218 1438 1626 1827 1897 2157 2436 2439 2876 3252 3654 3794 4314 4878 5033 5691 6471 7308 7588 7859 8628 9756 10066 11382 12942 15099 15718 17073 20132 20851 22764 23577 25884 30198 31436 34146 41702 45297 47154 55013 60396 62553 68292 70731 83404 90594 94308 110026 125106 141462 145957 165039 181188 187659 194849 220052 250212 282924 291914 330078 375318 389698 437871 495117 583828 584547 660156 750636 779396 875742 990234 1169094 1313613 1363943 1751484 1753641 1980468 2338188 2627226 2727886 3507282 4091829 5254452 5455772 5650621 7014564 8183658 11301242 12275487 16367316 16951863 22602484 24550974 33903726 39554347 49101948 50855589 67807452 79108694 101711178 118663041 158217388 203422356 237326082 355989123 474652164 711978246 1423956492