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13025488 = 247196121
BaseRepresentation
bin110001101100…
…000011010000
3220111202121111
4301230003100
511313303423
61143103104
7215500120
oct61540320
926452544
1013025488
117397273
124441a94
1329109b8
141a30c80
15122460d
hexc6c0d0

13025488 has 40 divisors (see below), whose sum is σ = 30365120. Its totient is φ = 5287680.

The previous prime is 13025479. The next prime is 13025491. The reversal of 13025488 is 88452031.

It is a congruent number.

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, 933 + ... + 5188.

It is an arithmetic number, because the mean of its divisors is an integer number (759128).

Almost surely, 213025488 is an apocalyptic number.

It is an amenable number.

13025488 is an abundant number, since it is smaller than the sum of its proper divisors (17339632).

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

13025488 is a wasteful number, since it uses less digits than its factorization.

13025488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6155 (or 6149 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 13025488 is about 3609.0840943375. The cubic root of 13025488 is about 235.2870372183.

The spelling of 13025488 in words is "thirteen million, twenty-five thousand, four hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 19 28 38 56 76 112 133 152 266 304 532 1064 2128 6121 12242 24484 42847 48968 85694 97936 116299 171388 232598 342776 465196 685552 814093 930392 1628186 1860784 3256372 6512744 13025488