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12022988 = 223005747
BaseRepresentation
bin101101110111…
…010011001100
3211121211102212
4231313103030
511034213423
61105405552
7204123305
oct55672314
924554385
1012022988
11687205a
1240398b8
13264c5c3
14184d7ac
1510c7578
hexb774cc

12022988 has 6 divisors (see below), whose sum is σ = 21040236. Its totient is φ = 6011492.

The previous prime is 12022979. The next prime is 12023003. The reversal of 12022988 is 88922021.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1502870 + ... + 1502877.

It is an arithmetic number, because the mean of its divisors is an integer number (3506706).

Almost surely, 212022988 is an apocalyptic number.

It is an amenable number.

12022988 is a deficient number, since it is larger than the sum of its proper divisors (9017248).

12022988 is a wasteful number, since it uses less digits than its factorization.

12022988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005751 (or 3005749 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 12022988 is about 3467.4180595942. The cubic root of 12022988 is about 229.0889479855.

The spelling of 12022988 in words is "twelve million, twenty-two thousand, nine hundred eighty-eight".

Divisors: 1 2 4 3005747 6011494 12022988