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102468539 = 1922132437
BaseRepresentation
bin1100001101110…
…00101110111011
321010210221102002
412012320232323
5202212443124
614100131215
72352653045
oct606705673
9233727362
10102468539
1152928148
122a396b0b
13182c9294
14d874a95
158ee10ae
hex61b8bbb

102468539 has 8 divisors (see below), whose sum is σ = 107954640. Its totient is φ = 96991776.

The previous prime is 102468529. The next prime is 102468599. The reversal of 102468539 is 935864201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 102468539 - 28 = 102468283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102468529) 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, 40829 + ... + 43265.

It is an arithmetic number, because the mean of its divisors is an integer number (13494330).

Almost surely, 2102468539 is an apocalyptic number.

102468539 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

102468539 is a deficient number, since it is larger than the sum of its proper divisors (5486101).

102468539 is a wasteful number, since it uses less digits than its factorization.

102468539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4669.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 102468539 is about 10122.6744983725. The cubic root of 102468539 is about 467.9471946533.

The spelling of 102468539 in words is "one hundred two million, four hundred sixty-eight thousand, five hundred thirty-nine".

Divisors: 1 19 2213 2437 42047 46303 5393081 102468539