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30797608 = 2317226453
BaseRepresentation
bin111010101111…
…0111100101000
32010221200101011
41311132330220
530341010413
63020033304
7522526642
oct165367450
963850334
1030797608
1116425776
12a392834
1364c404a
144139892
152a8533d
hex1d5ef28

30797608 has 16 divisors (see below), whose sum is σ = 61142580. Its totient is φ = 14492928.

The previous prime is 30797603. The next prime is 30797617. The reversal of 30797608 is 80679703.

It can be written as a sum of positive squares in 2 ways, for example, as 30669444 + 128164 = 5538^2 + 358^2 .

It is not an unprimeable number, because it can be changed into a prime (30797603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113091 + ... + 113362.

Almost surely, 230797608 is an apocalyptic number.

It is an amenable number.

30797608 is a deficient number, since it is larger than the sum of its proper divisors (30344972).

30797608 is a wasteful number, since it uses less digits than its factorization.

30797608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226476 (or 226472 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 30797608 is about 5549.5592617793. The cubic root of 30797608 is about 313.4529265323.

The spelling of 30797608 in words is "thirty million, seven hundred ninety-seven thousand, six hundred eight".