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13995512 = 231749439
BaseRepresentation
bin110101011000…
…110111111000
3222100001020022
4311120313320
512040324022
61215550012
7226650146
oct65306770
928301208
1013995512
11799a043
12482b308
132b9038b
141c04596
151366c42
hexd58df8

13995512 has 8 divisors (see below), whose sum is σ = 26241600. Its totient is φ = 6997752.

The previous prime is 13995497. The next prime is 13995529. The reversal of 13995512 is 21559931.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×139955122 = 391748712284288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 874712 + ... + 874727.

It is an arithmetic number, because the mean of its divisors is an integer number (3280200).

Almost surely, 213995512 is an apocalyptic number.

It is an amenable number.

13995512 is a deficient number, since it is larger than the sum of its proper divisors (12246088).

13995512 is a wasteful number, since it uses less digits than its factorization.

13995512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749445 (or 1749441 counting only the distinct ones).

The product of its digits is 12150, while the sum is 35.

The square root of 13995512 is about 3741.0576044750. The cubic root of 13995512 is about 240.9884695734.

The spelling of 13995512 in words is "thirteen million, nine hundred ninety-five thousand, five hundred twelve".

Divisors: 1 2 4 8 1749439 3498878 6997756 13995512