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13230152 = 2313235531
BaseRepresentation
bin110010011110…
…000001001000
3220220011100122
4302132001020
511341331102
61151322412
7220311605
oct62360110
926804318
1013230152
117517011
124520408
132982bc0
141a856ac
1512650a2
hexc9e048

13230152 has 32 divisors (see below), whose sum is σ = 27881280. Its totient is φ = 5839680.

The previous prime is 13230109. The next prime is 13230169. The reversal of 13230152 is 25103231.

It is a self number, because there is not a number n which added to its sum of digits gives 13230152.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374 + ... + 5157.

It is an arithmetic number, because the mean of its divisors is an integer number (871290).

Almost surely, 213230152 is an apocalyptic number.

It is an amenable number.

13230152 is an abundant number, since it is smaller than the sum of its proper divisors (14651128).

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

13230152 is a wasteful number, since it uses less digits than its factorization.

13230152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573 (or 5569 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 13230152 is about 3637.3275904158. The cubic root of 13230152 is about 236.5129606552.

Adding to 13230152 its reverse (25103231), we get a palindrome (38333383).

The spelling of 13230152 in words is "thirteen million, two hundred thirty thousand, one hundred fifty-two".

Divisors: 1 2 4 8 13 23 26 46 52 92 104 184 299 598 1196 2392 5531 11062 22124 44248 71903 127213 143806 254426 287612 508852 575224 1017704 1653769 3307538 6615076 13230152