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85313544 = 2333554731
BaseRepresentation
bin1010001010111…
…00100000001000
312221112101011220
411011130200020
5133320013134
612244322040
72054103351
oct505344010
9187471156
1085313544
1144180368
12246a3320
13148a0ab4
14b48ad28
157753149
hex515c808

85313544 has 16 divisors (see below), whose sum is σ = 213283920. Its totient is φ = 28437840.

The previous prime is 85313539. The next prime is 85313549. The reversal of 85313544 is 44531358.

It is an interprime number because it is at equal distance from previous prime (85313539) and next prime (85313549).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (85313549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1777342 + ... + 1777389.

It is an arithmetic number, because the mean of its divisors is an integer number (13330245).

Almost surely, 285313544 is an apocalyptic number.

It is an amenable number.

85313544 is an abundant number, since it is smaller than the sum of its proper divisors (127970376).

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

85313544 is a wasteful number, since it uses less digits than its factorization.

85313544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554740 (or 3554736 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 85313544 is about 9236.5331158395. The cubic root of 85313544 is about 440.2229311074. Note that the first 3 decimals are identical.

It can be divided in two parts, 8531354 and 4, that added together give a palindrome (8531358).

The spelling of 85313544 in words is "eighty-five million, three hundred thirteen thousand, five hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 3554731 7109462 10664193 14218924 21328386 28437848 42656772 85313544