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102535240 = 2352563381
BaseRepresentation
bin1100001110010…
…01000001001000
321010221022220111
412013021001020
5202222111430
614101404104
72353351363
oct607110110
9233838814
10102535240
1152973275
122a409634
1318320752
14d8910da
159005c2a
hex61c9048

102535240 has 16 divisors (see below), whose sum is σ = 230704380. Its totient is φ = 41014080.

The previous prime is 102535217. The next prime is 102535241. The reversal of 102535240 is 42535201.

It can be written as a sum of positive squares in 2 ways, for example, as 86229796 + 16305444 = 9286^2 + 4038^2 .

It is not an unprimeable number, because it can be changed into a prime (102535241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1281651 + ... + 1281730.

Almost surely, 2102535240 is an apocalyptic number.

102535240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102535240 is an abundant number, since it is smaller than the sum of its proper divisors (128169140).

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

102535240 is a wasteful number, since it uses less digits than its factorization.

102535240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563392 (or 2563388 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 102535240 is about 10125.9685956456. The cubic root of 102535240 is about 468.0487080091.

The spelling of 102535240 in words is "one hundred two million, five hundred thirty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 2563381 5126762 10253524 12816905 20507048 25633810 51267620 102535240