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30797612 = 227699403
BaseRepresentation
bin111010101111…
…0111100101100
32010221200101022
41311132330230
530341010422
63020033312
7522526646
oct165367454
963850338
1030797612
111642577a
12a392838
1364c4051
144139896
152a85342
hex1d5ef2c

30797612 has 6 divisors (see below), whose sum is σ = 53895828. Its totient is φ = 15398804.

The previous prime is 30797603. The next prime is 30797617. The reversal of 30797612 is 21679703.

It is not an unprimeable number, because it can be changed into a prime (30797617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3849698 + ... + 3849705.

It is an arithmetic number, because the mean of its divisors is an integer number (8982638).

Almost surely, 230797612 is an apocalyptic number.

It is an amenable number.

30797612 is a deficient number, since it is larger than the sum of its proper divisors (23098216).

30797612 is a wasteful number, since it uses less digits than its factorization.

30797612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7699407 (or 7699405 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 30797612 is about 5549.5596221682. The cubic root of 30797612 is about 313.4529401028.

The spelling of 30797612 in words is "thirty million, seven hundred ninety-seven thousand, six hundred twelve".

Divisors: 1 2 4 7699403 15398806 30797612