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85749496 = 2371790073
BaseRepresentation
bin1010001110001…
…10111011111000
312222100112012021
411013012323320
5133422440441
612301524224
72060600350
oct507067370
9188315167
1085749496
1144448958
1224873674
13149c4361
14b561b60
1577dc3d1
hex51c6ef8

85749496 has 32 divisors (see below), whose sum is σ = 194559840. Its totient is φ = 34587648.

The previous prime is 85749493. The next prime is 85749529. The reversal of 85749496 is 69494758.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85749493) 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, 44085 + ... + 45988.

It is an arithmetic number, because the mean of its divisors is an integer number (6079995).

Almost surely, 285749496 is an apocalyptic number.

It is an amenable number.

85749496 is an abundant number, since it is smaller than the sum of its proper divisors (108810344).

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

85749496 is a wasteful number, since it uses less digits than its factorization.

85749496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90103 (or 90099 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The square root of 85749496 is about 9260.1023752440. The cubic root of 85749496 is about 440.9715035157.

The spelling of 85749496 in words is "eighty-five million, seven hundred forty-nine thousand, four hundred ninety-six".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 119 136 238 476 952 90073 180146 360292 630511 720584 1261022 1531241 2522044 3062482 5044088 6124964 10718687 12249928 21437374 42874748 85749496