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12272944 = 245913001
BaseRepresentation
bin101110110100…
…010100110000
3212002112022111
4232310110300
511120213234
61115015104
7206214115
oct56642460
925075274
1012272944
116a22932
12413a494
1327092c8
1418b690c
151126664
hexbb4530

12272944 has 20 divisors (see below), whose sum is σ = 24183720. Its totient is φ = 6032000.

The previous prime is 12272893. The next prime is 12272951. The reversal of 12272944 is 44927221.

It is an unprimeable number.

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, 5557 + ... + 7444.

It is an arithmetic number, because the mean of its divisors is an integer number (1209186).

Almost surely, 212272944 is an apocalyptic number.

It is an amenable number.

12272944 is a deficient number, since it is larger than the sum of its proper divisors (11910776).

12272944 is a wasteful number, since it uses less digits than its factorization.

12272944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13068 (or 13062 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 12272944 is about 3503.2761809483. The cubic root of 12272944 is about 230.6656457274.

The spelling of 12272944 in words is "twelve million, two hundred seventy-two thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 59 118 236 472 944 13001 26002 52004 104008 208016 767059 1534118 3068236 6136472 12272944