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13964988 = 2237914731
BaseRepresentation
bin110101010001…
…011010111100
3222021111100210
4311101122330
512033334423
61215152420
7226462152
oct65213274
928244323
1013964988
117979114
124815710
132b7c50b
141bd73d2
15135cb93
hexd516bc

13964988 has 24 divisors (see below), whose sum is σ = 32999680. Its totient is φ = 4595760.

The previous prime is 13964987. The next prime is 13964989. The reversal of 13964988 is 88946931.

It is an interprime number because it is at equal distance from previous prime (13964987) and next prime (13964989).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13964983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6418 + ... + 8313.

Almost surely, 213964988 is an apocalyptic number.

It is an amenable number.

13964988 is an abundant number, since it is smaller than the sum of its proper divisors (19034692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13964988 is a wasteful number, since it uses less digits than its factorization.

13964988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14817 (or 14815 counting only the distinct ones).

The product of its digits is 373248, while the sum is 48.

The square root of 13964988 is about 3736.9757826349. The cubic root of 13964988 is about 240.8131446488.

The spelling of 13964988 in words is "thirteen million, nine hundred sixty-four thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 79 158 237 316 474 948 14731 29462 44193 58924 88386 176772 1163749 2327498 3491247 4654996 6982494 13964988