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7997604 = 223666467
BaseRepresentation
bin11110100000100010100100
3120001022122120
4132200202210
54021410404
6443225540
7124656426
oct36404244
916038576
107997604
11457279a
1228182b0
131870314
1410c2816
15a7e9d9
hex7a08a4

7997604 has 12 divisors (see below), whose sum is σ = 18661104. Its totient is φ = 2665864.

The previous prime is 7997581. The next prime is 7997621. The reversal of 7997604 is 4067997.

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

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333222 + ... + 333245.

It is an arithmetic number, because the mean of its divisors is an integer number (1555092).

Almost surely, 27997604 is an apocalyptic number.

It is an amenable number.

7997604 is an abundant number, since it is smaller than the sum of its proper divisors (10663500).

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

7997604 is a wasteful number, since it uses less digits than its factorization.

7997604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666474 (or 666472 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 7997604 is about 2828.0035360657. The cubic root of 7997604 is about 199.9800313397.

The spelling of 7997604 in words is "seven million, nine hundred ninety-seven thousand, six hundred four".

Divisors: 1 2 3 4 6 12 666467 1332934 1999401 2665868 3998802 7997604