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12143482 = 213676971
BaseRepresentation
bin101110010100…
…101101111010
3211211221201121
4232110231322
511102042412
61112135454
7205134511
oct56245572
924757647
1012143482
11694463a
12409758a
1326923c0
141881678
1510ed107
hexb94b7a

12143482 has 16 divisors (see below), whose sum is σ = 19912032. Its totient is φ = 5520240.

The previous prime is 12143473. The next prime is 12143497. The reversal of 12143482 is 28434121.

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, 1744 + ... + 5227.

It is an arithmetic number, because the mean of its divisors is an integer number (1244502).

Almost surely, 212143482 is an apocalyptic number.

12143482 is a deficient number, since it is larger than the sum of its proper divisors (7768550).

12143482 is a wasteful number, since it uses less digits than its factorization.

12143482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7053.

The product of its digits is 1536, while the sum is 25.

The square root of 12143482 is about 3484.7499192912. The cubic root of 12143482 is about 229.8517128595.

The spelling of 12143482 in words is "twelve million, one hundred forty-three thousand, four hundred eighty-two".

Divisors: 1 2 13 26 67 134 871 1742 6971 13942 90623 181246 467057 934114 6071741 12143482