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102538929 = 3199171757
BaseRepresentation
bin1100001110010…
…01111010110001
321010221111222010
412013021322301
5202222221204
614101433133
72353365213
oct607117261
9233844863
10102538929
1152976019
122a40b7a9
131832232c
14d8925b3
159006d89
hex61c9eb1

102538929 has 8 divisors (see below), whose sum is σ = 137406400. Its totient is φ = 68015376.

The previous prime is 102538927. The next prime is 102538949. The reversal of 102538929 is 929835201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102538929 - 21 = 102538927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102538927) 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, 85282 + ... + 86475.

It is an arithmetic number, because the mean of its divisors is an integer number (17175800).

Almost surely, 2102538929 is an apocalyptic number.

It is an amenable number.

102538929 is a deficient number, since it is larger than the sum of its proper divisors (34867471).

102538929 is a wasteful number, since it uses less digits than its factorization.

102538929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171959.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 102538929 is about 10126.1507494210. The cubic root of 102538929 is about 468.0543210743.

The spelling of 102538929 in words is "one hundred two million, five hundred thirty-eight thousand, nine hundred twenty-nine".

Divisors: 1 3 199 597 171757 515271 34179643 102538929