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102458868 = 22319449381
BaseRepresentation
bin1100001101101…
…10010111110100
321010210110010220
412012312113310
5202212140433
614100014340
72352612621
oct606662764
9233713126
10102458868
1152920956
122a3913b0
13182c4a65
14d871348
158edd2b3
hex61b65f4

102458868 has 24 divisors (see below), whose sum is σ = 251653920. Its totient is φ = 32355360.

The previous prime is 102458843. The next prime is 102458897. The reversal of 102458868 is 868854201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224463 + ... + 224918.

It is an arithmetic number, because the mean of its divisors is an integer number (10485580).

Almost surely, 2102458868 is an apocalyptic number.

It is an amenable number.

102458868 is an abundant number, since it is smaller than the sum of its proper divisors (149195052).

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

102458868 is a wasteful number, since it uses less digits than its factorization.

102458868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449407 (or 449405 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 102458868 is about 10122.1967971385. The cubic root of 102458868 is about 467.9324725420.

The spelling of 102458868 in words is "one hundred two million, four hundred fifty-eight thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 449381 898762 1348143 1797524 2696286 5392572 8538239 17076478 25614717 34152956 51229434 102458868