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15120768 = 273132233
BaseRepresentation
bin111001101011…
…100110000000
31001110012210110
4321223212000
512332331033
61300031320
7242344605
oct71534600
931405713
1015120768
118598503
125092540
133195600
1420186ac
1514da363
hexe6b980

15120768 has 96 divisors (see below), whose sum is σ = 43678440. Its totient is φ = 4632576.

The previous prime is 15120757. The next prime is 15120779. The reversal of 15120768 is 86702151.

It is an interprime number because it is at equal distance from previous prime (15120757) and next prime (15120779).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64780 + ... + 65012.

Almost surely, 215120768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15120768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21839220).

15120768 is an abundant number, since it is smaller than the sum of its proper divisors (28557672).

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

15120768 is a wasteful number, since it uses less digits than its factorization.

15120768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 15120768 is about 3888.5431719347. The cubic root of 15120768 is about 247.2813046202.

The spelling of 15120768 in words is "fifteen million, one hundred twenty thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 169 192 208 233 312 338 384 416 466 507 624 676 699 832 932 1014 1248 1352 1398 1664 1864 2028 2496 2704 2796 3029 3728 4056 4992 5408 5592 6058 7456 8112 9087 10816 11184 12116 14912 16224 18174 21632 22368 24232 29824 32448 36348 39377 44736 48464 64896 72696 78754 89472 96928 118131 145392 157508 193856 236262 290784 315016 387712 472524 581568 630032 945048 1163136 1260064 1890096 2520128 3780192 5040256 7560384 15120768