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64870112 = 256133307
BaseRepresentation
bin1111011101110…
…1011011100000
311112001202001202
43313131123200
5113101320422
610234220332
71415246456
oct367353340
9145052052
1064870112
113368796a
12198846a8
13105938a8
1488889d6
155a65b92
hex3ddd6e0

64870112 has 24 divisors (see below), whose sum is σ = 127960056. Its totient is φ = 32372352.

The previous prime is 64870103. The next prime is 64870163. The reversal of 64870112 is 21107846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17963 + ... + 21269.

It is an arithmetic number, because the mean of its divisors is an integer number (5331669).

Almost surely, 264870112 is an apocalyptic number.

It is an amenable number.

64870112 is a deficient number, since it is larger than the sum of its proper divisors (63089944).

64870112 is a wasteful number, since it uses less digits than its factorization.

64870112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930 (or 3922 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 64870112 is about 8054.1984082837. The cubic root of 64870112 is about 401.8045798195.

Adding to 64870112 its reverse (21107846), we get a palindrome (85977958).

The spelling of 64870112 in words is "sixty-four million, eight hundred seventy thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 613 1226 2452 3307 4904 6614 9808 13228 19616 26456 52912 105824 2027191 4054382 8108764 16217528 32435056 64870112