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13952904 = 2337232157
BaseRepresentation
bin110101001110…
…011110001000
3222020212210020
4311032132020
512032443104
61215020440
7226412010
oct65163610
928225706
1013952904
117970029
12480a720
132b76b74
141bd2c40
1513592d9
hexd4e788

13952904 has 96 divisors (see below), whose sum is σ = 41939520. Its totient is φ = 3788928.

The previous prime is 13952893. The next prime is 13952909. The reversal of 13952904 is 40925931.

13952904 = T127 + T128 + ... + T440.

13952904 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13952909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88794 + ... + 88950.

It is an arithmetic number, because the mean of its divisors is an integer number (436870).

Almost surely, 213952904 is an apocalyptic number.

13952904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13952904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20969760).

13952904 is an abundant number, since it is smaller than the sum of its proper divisors (27986616).

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

13952904 is a wasteful number, since it uses less digits than its factorization.

13952904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 13952904 is about 3735.3586173218. The cubic root of 13952904 is about 240.7436655155.

The spelling of 13952904 in words is "thirteen million, nine hundred fifty-two thousand, nine hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 21 23 24 28 42 46 56 69 84 92 138 157 161 168 184 276 314 322 471 483 529 552 628 644 942 966 1058 1099 1256 1288 1587 1884 1932 2116 2198 3174 3297 3611 3703 3768 3864 4232 4396 6348 6594 7222 7406 8792 10833 11109 12696 13188 14444 14812 21666 22218 25277 26376 28888 29624 43332 44436 50554 75831 83053 86664 88872 101108 151662 166106 202216 249159 303324 332212 498318 581371 606648 664424 996636 1162742 1744113 1993272 2325484 3488226 4650968 6976452 13952904