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102869494 = 27133891453
BaseRepresentation
bin1100010000110…
…10100111110110
321011120022102021
412020122213312
5202313310434
614112503354
72356243030
oct610324766
9234508367
10102869494
1153081412
122a54ab5a
1318409930
14d93ac50
15906ecb4
hex621a9f6

102869494 has 32 divisors (see below), whose sum is σ = 190532160. Its totient is φ = 40563072.

The previous prime is 102869491. The next prime is 102869521. The reversal of 102869494 is 494968201.

It is a self number, because there is not a number n which added to its sum of digits gives 102869494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102869491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70072 + ... + 71524.

It is an arithmetic number, because the mean of its divisors is an integer number (5954130).

Almost surely, 2102869494 is an apocalyptic number.

102869494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

102869494 is a deficient number, since it is larger than the sum of its proper divisors (87662666).

102869494 is a wasteful number, since it uses less digits than its factorization.

102869494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 102869494 is about 10142.4599580181. The cubic root of 102869494 is about 468.5567527219.

The spelling of 102869494 in words is "one hundred two million, eight hundred sixty-nine thousand, four hundred ninety-four".

Divisors: 1 2 7 13 14 26 91 182 389 778 1453 2723 2906 5057 5446 10114 10171 18889 20342 35399 37778 70798 132223 264446 565217 1130434 3956519 7347821 7913038 14695642 51434747 102869494