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12494864 = 241771647
BaseRepresentation
bin101111101010…
…100000010000
3212111210201202
4233222200100
511144313424
61123450332
7211130114
oct57524020
925453652
1012494864
117064638
1242269a8
132786315
141933744
15116c2ae
hexbea810

12494864 has 40 divisors (see below), whose sum is σ = 26034048. Its totient is φ = 5788160.

The previous prime is 12494857. The next prime is 12494879. The reversal of 12494864 is 46849421.

It is a super-2 number, since 2×124948642 = 312243252756992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18989 + ... + 19635.

Almost surely, 212494864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12494864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13017024).

12494864 is an abundant number, since it is smaller than the sum of its proper divisors (13539184).

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

12494864 is a wasteful number, since it uses less digits than its factorization.

12494864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 737 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 12494864 is about 3534.8074912221. The cubic root of 12494864 is about 232.0476517260.

The spelling of 12494864 in words is "twelve million, four hundred ninety-four thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 16 17 34 68 71 136 142 272 284 568 647 1136 1207 1294 2414 2588 4828 5176 9656 10352 10999 19312 21998 43996 45937 87992 91874 175984 183748 367496 734992 780929 1561858 3123716 6247432 12494864