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85305704 = 23112933427
BaseRepresentation
bin1010001010110…
…10100101101000
312221111222102112
411011122211220
5133314240304
612244221452
72054041451
oct505324550
9187458375
1085305704
1144175490
122469a888
131489a363
14b488128
157750b6e
hex515a968

85305704 has 32 divisors (see below), whose sum is σ = 180511200. Its totient is φ = 37437120.

The previous prime is 85305697. The next prime is 85305709. The reversal of 85305704 is 40750358.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (85305709) 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, 14162 + ... + 19265.

It is an arithmetic number, because the mean of its divisors is an integer number (5640975).

Almost surely, 285305704 is an apocalyptic number.

It is an amenable number.

85305704 is an abundant number, since it is smaller than the sum of its proper divisors (95205496).

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

85305704 is a wasteful number, since it uses less digits than its factorization.

85305704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33473 (or 33469 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 85305704 is about 9236.1087044274. The cubic root of 85305704 is about 440.2094457398.

The spelling of 85305704 in words is "eighty-five million, three hundred five thousand, seven hundred four".

Divisors: 1 2 4 8 11 22 29 44 58 88 116 232 319 638 1276 2552 33427 66854 133708 267416 367697 735394 969383 1470788 1938766 2941576 3877532 7755064 10663213 21326426 42652852 85305704