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85147456 = 264728307
BaseRepresentation
bin1010001001100…
…11111101000000
312221012221100111
411010303331000
5133244204311
612241001104
72052512212
oct504637500
9187187314
1085147456
11440775a9
1224623194
1314843314
14b4465b2
15771dd21
hex5133f40

85147456 has 28 divisors (see below), whose sum is σ = 172565568. Its totient is φ = 41666432.

The previous prime is 85147453. The next prime is 85147463. The reversal of 85147456 is 65474158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85147453) 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, 11146 + ... + 17161.

It is an arithmetic number, because the mean of its divisors is an integer number (6163056).

Almost surely, 285147456 is an apocalyptic number.

It is an amenable number.

85147456 is an abundant number, since it is smaller than the sum of its proper divisors (87418112).

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

85147456 is a wasteful number, since it uses less digits than its factorization.

85147456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28366 (or 28356 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 85147456 is about 9227.5379164759. The cubic root of 85147456 is about 439.9370708901.

The spelling of 85147456 in words is "eighty-five million, one hundred forty-seven thousand, four hundred fifty-six".

Divisors: 1 2 4 8 16 32 47 64 94 188 376 752 1504 3008 28307 56614 113228 226456 452912 905824 1330429 1811648 2660858 5321716 10643432 21286864 42573728 85147456