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13952880 = 2432519379
BaseRepresentation
bin110101001110…
…011101110000
3222020212202100
4311032131300
512032443010
61215020400
7226411644
oct65163560
928225670
1013952880
117970007
12480a700
132b76b56
141bd2c24
1513592c0
hexd4e770

13952880 has 60 divisors (see below), whose sum is σ = 46860840. Its totient is φ = 3720576.

The previous prime is 13952863. The next prime is 13952893. The reversal of 13952880 is 8825931.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 8970 + ... + 10409.

It is an arithmetic number, because the mean of its divisors is an integer number (781014).

Almost surely, 213952880 is an apocalyptic number.

13952880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13952880 is an abundant number, since it is smaller than the sum of its proper divisors (32907960).

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

13952880 is a wasteful number, since it uses less digits than its factorization.

13952880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19398 (or 19389 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 13952880 is about 3735.3554047774. The cubic root of 13952880 is about 240.7435274833.

The spelling of 13952880 in words is "thirteen million, nine hundred fifty-two thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 19379 38758 58137 77516 96895 116274 155032 174411 193790 232548 290685 310064 348822 387580 465096 581370 697644 775160 872055 930192 1162740 1395288 1550320 1744110 2325480 2790576 3488220 4650960 6976440 13952880