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102318259 = 3117871847
BaseRepresentation
bin1100001100101…
…00000010110011
321010112022021011
412012110002303
5202143141014
614053011351
72351455651
oct606240263
9233468234
10102318259
115283524a
122a323b57
1318275a64
14d835dd1
158eb17c4
hex61940b3

102318259 has 8 divisors (see below), whose sum is σ = 105735168. Its totient is φ = 98908680.

The previous prime is 102318253. The next prime is 102318301. The reversal of 102318259 is 952813201.

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 102318259 - 27 = 102318131 is a prime.

It is a super-2 number, since 2×1023182592 = 20938052249582162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102318259.

It is not an unprimeable number, because it can be changed into a prime (102318253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54474 + ... + 56320.

It is an arithmetic number, because the mean of its divisors is an integer number (13216896).

Almost surely, 2102318259 is an apocalyptic number.

102318259 is a deficient number, since it is larger than the sum of its proper divisors (3416909).

102318259 is a wasteful number, since it uses less digits than its factorization.

102318259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 102318259 is about 10115.2488352981. The cubic root of 102318259 is about 467.7183194893.

The spelling of 102318259 in words is "one hundred two million, three hundred eighteen thousand, two hundred fifty-nine".

Divisors: 1 31 1787 1847 55397 57257 3300589 102318259