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85103944 = 2310637993
BaseRepresentation
bin1010001001010…
…01010101001000
312221010201122221
411010221111020
5133241311234
612240023424
72052241312
oct504512510
9187121587
1085103944
1144047942
1224601b74
1314829583
14b4347b2
157710eb4
hex5129548

85103944 has 8 divisors (see below), whose sum is σ = 159569910. Its totient is φ = 42551968.

The previous prime is 85103917. The next prime is 85103969. The reversal of 85103944 is 44930158.

It can be written as a sum of positive squares in only one way, i.e., 76912900 + 8191044 = 8770^2 + 2862^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5318989 + ... + 5319004.

Almost surely, 285103944 is an apocalyptic number.

It is an amenable number.

85103944 is a deficient number, since it is larger than the sum of its proper divisors (74465966).

85103944 is a wasteful number, since it uses less digits than its factorization.

85103944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10637999 (or 10637995 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 85103944 is about 9225.1798898450. The cubic root of 85103944 is about 439.8621193320.

The spelling of 85103944 in words is "eighty-five million, one hundred three thousand, nine hundred forty-four".

Divisors: 1 2 4 8 10637993 21275986 42551972 85103944