Search a number
-
+
15232056 = 2337711277
BaseRepresentation
bin111010000110…
…110000111000
31001122212110020
4322012300320
512344411211
61302250440
7243320220
oct72066070
931585406
1015232056
118664084
125126a20
133204168
142047080
15150d306
hexe86c38

15232056 has 64 divisors (see below), whose sum is σ = 44167680. Its totient is φ = 4287360.

The previous prime is 15232043. The next prime is 15232081. The reversal of 15232056 is 65023251.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 15 ways as a sum of consecutive naturals, for example, 11290 + ... + 12566.

It is an arithmetic number, because the mean of its divisors is an integer number (690120).

Almost surely, 215232056 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 15232056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22083840).

15232056 is an abundant number, since it is smaller than the sum of its proper divisors (28935624).

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

15232056 is a wasteful number, since it uses less digits than its factorization.

15232056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364 (or 1360 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 15232056 is about 3902.8266679421. The cubic root of 15232056 is about 247.8864811714.

The spelling of 15232056 in words is "fifteen million, two hundred thirty-two thousand, fifty-six".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 71 84 142 168 213 284 426 497 568 852 994 1277 1491 1704 1988 2554 2982 3831 3976 5108 5964 7662 8939 10216 11928 15324 17878 26817 30648 35756 53634 71512 90667 107268 181334 214536 272001 362668 544002 634669 725336 1088004 1269338 1904007 2176008 2538676 3808014 5077352 7616028 15232056