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12279070 = 256911777
BaseRepresentation
bin101110110101…
…110100011110
3212002211201101
4232311310132
511120412240
61115103314
7206241016
oct56656436
925084641
1012279070
116a274a1
124141b3a
13270c02b
1418b8c46
15112839a
hexbb5d1e

12279070 has 16 divisors (see below), whose sum is σ = 22146768. Its totient is φ = 4901760.

The previous prime is 12279061. The next prime is 12279089. The reversal of 12279070 is 7097221.

It is a happy number.

It is a congruent number.

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, 6022 + ... + 7798.

It is an arithmetic number, because the mean of its divisors is an integer number (1384173).

Almost surely, 212279070 is an apocalyptic number.

12279070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12279070 is a deficient number, since it is larger than the sum of its proper divisors (9867698).

12279070 is a wasteful number, since it uses less digits than its factorization.

12279070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 12279070 is about 3504.1503963158. The cubic root of 12279070 is about 230.7040180121.

The spelling of 12279070 in words is "twelve million, two hundred seventy-nine thousand, seventy".

Divisors: 1 2 5 10 691 1382 1777 3455 3554 6910 8885 17770 1227907 2455814 6139535 12279070