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15132768 = 253723217
BaseRepresentation
bin111001101110…
…100001100000
31001110211020220
4321232201200
512333222033
61300203040
7242424600
oct71564140
931424226
1015132768
1185a6522
125099480
13319ac01
14201cc00
1514ddbb3
hexe6e860

15132768 has 72 divisors (see below), whose sum is σ = 46223352. Its totient is φ = 4322304.

The previous prime is 15132749. The next prime is 15132773. The reversal of 15132768 is 86723151.

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, 3096 + ... + 6312.

It is an arithmetic number, because the mean of its divisors is an integer number (641991).

Almost surely, 215132768 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 15132768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23111676).

15132768 is an abundant number, since it is smaller than the sum of its proper divisors (31090584).

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

15132768 is a wasteful number, since it uses less digits than its factorization.

15132768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244 (or 3229 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 15132768 is about 3890.0858602350. The cubic root of 15132768 is about 247.3467023350.

The spelling of 15132768 in words is "fifteen million, one hundred thirty-two thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 84 96 98 112 147 168 196 224 294 336 392 588 672 784 1176 1568 2352 3217 4704 6434 9651 12868 19302 22519 25736 38604 45038 51472 67557 77208 90076 102944 135114 154416 157633 180152 270228 308832 315266 360304 472899 540456 630532 720608 945798 1080912 1261064 1891596 2161824 2522128 3783192 5044256 7566384 15132768