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30712596 = 2232559383
BaseRepresentation
bin111010100101…
…0001100010100
32010210100202120
41311022030110
530330300341
63014135540
7522024045
oct165121424
963710676
1030712596
1116377912
12a3515b0
136494445
1441168cc
152a6a066
hex1d4a314

30712596 has 12 divisors (see below), whose sum is σ = 71662752. Its totient is φ = 10237528.

The previous prime is 30712589. The next prime is 30712597. The reversal of 30712596 is 69521703.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30712597) 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 3 ways as a sum of consecutive naturals, for example, 1279680 + ... + 1279703.

It is an arithmetic number, because the mean of its divisors is an integer number (5971896).

Almost surely, 230712596 is an apocalyptic number.

It is an amenable number.

30712596 is an abundant number, since it is smaller than the sum of its proper divisors (40950156).

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

30712596 is a wasteful number, since it uses less digits than its factorization.

30712596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559390 (or 2559388 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 30712596 is about 5541.8946218780. The cubic root of 30712596 is about 313.1642480913.

The spelling of 30712596 in words is "thirty million, seven hundred twelve thousand, five hundred ninety-six".

Divisors: 1 2 3 4 6 12 2559383 5118766 7678149 10237532 15356298 30712596