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1420412652 = 22337122609
BaseRepresentation
bin101010010101001…
…1100011011101100
310122222202102212000
41110222130123230
510402111201102
6352540212300
750125210521
oct12452343354
93588672760
101420412652
1166987105a
1233783a090
13198377979
14d6907148
1584a7801c
hex54a9c6ec

1420412652 has 72 divisors (see below), whose sum is σ = 3736580400. Its totient is φ = 466623360.

The previous prime is 1420412641. The next prime is 1420412671. The reversal of 1420412652 is 2562140241.

1420412652 is a `hidden beast` number, since 1 + 4 + 2 + 0 + 4 + 1 + 2 + 652 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 543124 + ... + 545732.

It is an arithmetic number, because the mean of its divisors is an integer number (51896950).

Almost surely, 21420412652 is an apocalyptic number.

1420412652 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 1420412652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1868290200).

1420412652 is an abundant number, since it is smaller than the sum of its proper divisors (2316167748).

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

1420412652 is a wasteful number, since it uses less digits than its factorization.

1420412652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764 (or 2685 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1420412652 is about 37688.3622886429. The cubic root of 1420412652 is about 1124.0997313178.

Adding to 1420412652 its reverse (2562140241), we get a palindrome (3982552893).

The spelling of 1420412652 in words is "one billion, four hundred twenty million, four hundred twelve thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 71 108 142 213 284 426 639 852 1278 1917 2556 2609 3834 5041 5218 7668 7827 10082 10436 15123 15654 20164 23481 30246 31308 45369 46962 60492 70443 90738 93924 136107 140886 181476 185239 272214 281772 370478 544428 555717 740956 1111434 1667151 2222868 3334302 5001453 6668604 10002906 13151969 20005812 26303938 39455907 52607876 78911814 118367721 157823628 236735442 355103163 473470884 710206326 1420412652