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13837984 = 25432437
BaseRepresentation
bin110100110010…
…011010100000
3222001001010221
4310302122200
512020303414
61212332424
7225422656
oct64623240
928031127
1013837984
1178a1756
124774114
132b36774
141ba2dd6
151335224
hexd326a0

13837984 has 12 divisors (see below), whose sum is σ = 27243594. Its totient is φ = 6918976.

The previous prime is 13837981. The next prime is 13838021. The reversal of 13837984 is 48973831.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9120400 + 4717584 = 3020^2 + 2172^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13837984.

It is not an unprimeable number, because it can be changed into a prime (13837981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216187 + ... + 216250.

Almost surely, 213837984 is an apocalyptic number.

It is an amenable number.

13837984 is a deficient number, since it is larger than the sum of its proper divisors (13405610).

13837984 is an equidigital number, since it uses as much as digits as its factorization.

13837984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432447 (or 432439 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 13837984 is about 3719.9440856013. The cubic root of 13837984 is about 240.0808986537.

The spelling of 13837984 in words is "thirteen million, eight hundred thirty-seven thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 32 432437 864874 1729748 3459496 6918992 13837984