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102151320 = 2335851261
BaseRepresentation
bin1100001011010…
…11010010011000
321010012211021020
412011223102120
5202122320240
614045242440
72350162155
oct605532230
9233184236
10102151320
1152730887
122a263420
1318217a8b
14d7d122c
158e7c0d0
hex616b498

102151320 has 32 divisors (see below), whose sum is σ = 306454320. Its totient is φ = 27240320.

The previous prime is 102151319. The next prime is 102151327. The reversal of 102151320 is 23151201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102151320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102151327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425511 + ... + 425750.

Almost surely, 2102151320 is an apocalyptic number.

102151320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102151320 is an abundant number, since it is smaller than the sum of its proper divisors (204303000).

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

102151320 is a wasteful number, since it uses less digits than its factorization.

102151320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851275 (or 851271 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 102151320 is about 10106.9936182823. The cubic root of 102151320 is about 467.4638099088.

The spelling of 102151320 in words is "one hundred two million, one hundred fifty-one thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 851261 1702522 2553783 3405044 4256305 5107566 6810088 8512610 10215132 12768915 17025220 20430264 25537830 34050440 51075660 102151320