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13025952 = 2532311459
BaseRepresentation
bin110001101100…
…001010100000
3220111210020200
4301230022200
511313312302
61143105200
7215501352
oct61541240
926453220
1013025952
117397655
124442200
132910c84
141a310d2
15122481c
hexc6c2a0

13025952 has 72 divisors (see below), whose sum is σ = 38263680. Its totient is φ = 4199040.

The previous prime is 13025933. The next prime is 13025953. The reversal of 13025952 is 25952031.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (13025953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8199 + ... + 9657.

It is an arithmetic number, because the mean of its divisors is an integer number (531440).

Almost surely, 213025952 is an apocalyptic number.

13025952 is a gapful number since it is divisible by the number (12) 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 13025952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19131840).

13025952 is an abundant number, since it is smaller than the sum of its proper divisors (25237728).

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

13025952 is a wasteful number, since it uses less digits than its factorization.

13025952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506 (or 1495 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 13025952 is about 3609.1483760023. The cubic root of 13025952 is about 235.2898310199.

Adding to 13025952 its reverse (25952031), we get a palindrome (38977983).

The spelling of 13025952 in words is "thirteen million, twenty-five thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 62 72 93 96 124 144 186 248 279 288 372 496 558 744 992 1116 1459 1488 2232 2918 2976 4377 4464 5836 8754 8928 11672 13131 17508 23344 26262 35016 45229 46688 52524 70032 90458 105048 135687 140064 180916 210096 271374 361832 407061 420192 542748 723664 814122 1085496 1447328 1628244 2170992 3256488 4341984 6512976 13025952