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85880944 = 2446311593
BaseRepresentation
bin1010001111001…
…11000001110000
312222121012111201
411013213001300
5133441142234
612304420544
72061655522
oct507470160
9188535451
1085880944
1144528696
1224917754
1314a3c136
14b597a12
157816314
hex51e7070

85880944 has 20 divisors (see below), whose sum is σ = 166768096. Its totient is φ = 42844032.

The previous prime is 85880941. The next prime is 85880953. The reversal of 85880944 is 44908858.

It is a super-2 number, since 2×858809442 = 14751073084662272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85880894 and 85880903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85880941) 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, 1612 + ... + 13204.

Almost surely, 285880944 is an apocalyptic number.

It is an amenable number.

85880944 is a deficient number, since it is larger than the sum of its proper divisors (80887152).

85880944 is a wasteful number, since it uses less digits than its factorization.

85880944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12064 (or 12058 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 46.

The square root of 85880944 is about 9267.1972030383. The cubic root of 85880944 is about 441.1967146691.

The spelling of 85880944 in words is "eighty-five million, eight hundred eighty thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 463 926 1852 3704 7408 11593 23186 46372 92744 185488 5367559 10735118 21470236 42940472 85880944