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85275552 = 253888287
BaseRepresentation
bin1010001010100…
…11001110100000
312221110110001210
411011103032200
5133312304202
612243430120
72053554525
oct505231640
9187413053
1085275552
114415486a
1224685340
131488970b
14b47b14c
157746c6c
hex51533a0

85275552 has 24 divisors (see below), whose sum is σ = 223848576. Its totient is φ = 28425152.

The previous prime is 85275551. The next prime is 85275571. The reversal of 85275552 is 25557258.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 85275552.

It is not an unprimeable number, because it can be changed into a prime (85275551) 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 3 ways as a sum of consecutive naturals, for example, 444048 + ... + 444239.

It is an arithmetic number, because the mean of its divisors is an integer number (9327024).

Almost surely, 285275552 is an apocalyptic number.

It is an amenable number.

85275552 is an abundant number, since it is smaller than the sum of its proper divisors (138573024).

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

85275552 is a wasteful number, since it uses less digits than its factorization.

85275552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888300 (or 888292 counting only the distinct ones).

The product of its digits is 140000, while the sum is 39.

The square root of 85275552 is about 9234.4762710183. The cubic root of 85275552 is about 440.1575744161.

The spelling of 85275552 in words is "eighty-five million, two hundred seventy-five thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 888287 1776574 2664861 3553148 5329722 7106296 10659444 14212592 21318888 28425184 42637776 85275552