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1407144690 = 233575912619
BaseRepresentation
bin101001111011111…
…0101001011110010
310122001210100122000
41103313311023302
510340212112230
6351343554430
746604350440
oct12367651362
93561710560
101407144690
116623296a6
123332bba16
131956b07c3
14d4c51b90
1583806b60
hex53df52f2

1407144690 has 128 divisors (see below), whose sum is σ = 4361472000. Its totient is φ = 316156608.

The previous prime is 1407144679. The next prime is 1407144701. The reversal of 1407144690 is 964417041.

1407144690 is a `hidden beast` number, since 140 + 71 + 446 + 9 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1407144679) and next prime (1407144701).

It is a super-2 number, since 2×14071446902 = 3960112357190392200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 105201 + ... + 117819.

It is an arithmetic number, because the mean of its divisors is an integer number (34074000).

Almost surely, 21407144690 is an apocalyptic number.

1407144690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1407144690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2180736000).

1407144690 is an abundant number, since it is smaller than the sum of its proper divisors (2954327310).

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

1407144690 is a wasteful number, since it uses less digits than its factorization.

1407144690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12701 (or 12695 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1407144690 is about 37511.9273031925. The cubic root of 1407144690 is about 1120.5887343730.

The spelling of 1407144690 in words is "one billion, four hundred seven million, one hundred forty-four thousand, six hundred ninety".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 59 63 70 90 105 118 126 135 177 189 210 270 295 315 354 378 413 531 590 630 826 885 945 1062 1239 1593 1770 1890 2065 2478 2655 3186 3717 4130 5310 6195 7434 7965 11151 12390 12619 15930 18585 22302 25238 37170 37857 55755 63095 75714 88333 111510 113571 126190 176666 189285 227142 264999 340713 378570 441665 529998 567855 681426 744521 794997 883330 1135710 1324995 1489042 1589994 1703565 2233563 2384991 2649990 3407130 3722605 3974985 4467126 4769982 5211647 6700689 7445210 7949970 10423294 11167815 11924955 13401378 15634941 20102067 22335630 23849910 26058235 31269882 33503445 40204134 46904823 52116470 67006890 78174705 93809646 100510335 140714469 156349410 201020670 234524115 281428938 469048230 703572345 1407144690