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30625296 = 24313172887
BaseRepresentation
bin111010011010…
…0111000010000
32010121221000020
41310310320100
530320002141
63012223440
7521211402
oct164647020
963557006
1030625296
1116318269
12a30ab80
1364637a0
1440d2b72
152a4e266
hex1d34e10

30625296 has 80 divisors (see below), whose sum is σ = 90244224. Its totient is φ = 8865792.

The previous prime is 30625277. The next prime is 30625297. The reversal of 30625296 is 69252603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30625297) by changing a digit.

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, 9165 + ... + 12051.

Almost surely, 230625296 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 30625296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45122112).

30625296 is an abundant number, since it is smaller than the sum of its proper divisors (59618928).

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

30625296 is a wasteful number, since it uses less digits than its factorization.

30625296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928 (or 2922 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 30625296 is about 5534.0126490640. The cubic root of 30625296 is about 312.8672452632.

Adding to 30625296 its reverse (69252603), we get a palindrome (99877899).

The spelling of 30625296 in words is "thirty million, six hundred twenty-five thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 13 16 17 24 26 34 39 48 51 52 68 78 102 104 136 156 204 208 221 272 312 408 442 624 663 816 884 1326 1768 2652 2887 3536 5304 5774 8661 10608 11548 17322 23096 34644 37531 46192 49079 69288 75062 98158 112593 138576 147237 150124 196316 225186 294474 300248 392632 450372 588948 600496 638027 785264 900744 1177896 1276054 1801488 1914081 2355792 2552108 3828162 5104216 7656324 10208432 15312648 30625296