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85660952 = 2313823663
BaseRepresentation
bin1010001101100…
…01010100011000
312222012000201212
411012301110120
5133412122302
612300002252
72060051246
oct506612430
9188160655
1085660952
1144398383
1224830388
1314992c70
14b53b796
1577c1052
hex51b1518

85660952 has 16 divisors (see below), whose sum is σ = 172969440. Its totient is φ = 39535776.

The previous prime is 85660951. The next prime is 85660969. The reversal of 85660952 is 25906658.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85660951) 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, 411728 + ... + 411935.

It is an arithmetic number, because the mean of its divisors is an integer number (10810590).

Almost surely, 285660952 is an apocalyptic number.

It is an amenable number.

85660952 is an abundant number, since it is smaller than the sum of its proper divisors (87308488).

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

85660952 is a wasteful number, since it uses less digits than its factorization.

85660952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823682 (or 823678 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 85660952 is about 9255.3201997554. The cubic root of 85660952 is about 440.8196704452.

The spelling of 85660952 in words is "eighty-five million, six hundred sixty thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 13 26 52 104 823663 1647326 3294652 6589304 10707619 21415238 42830476 85660952