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672304 = 2442019
BaseRepresentation
bin10100100001000110000
31021011020011
42210020300
5133003204
622224304
75500033
oct2441060
91234204
10672304
1141a126
12285094
131a7019
1413701a
15d4304
hexa4230

672304 has 10 divisors (see below), whose sum is σ = 1302620. Its totient is φ = 336144.

The previous prime is 672293. The next prime is 672311. The reversal of 672304 is 403276.

It is a zygodrome in base 7.

It is an unprimeable number.

672304 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20994 + ... + 21025.

It is an arithmetic number, because the mean of its divisors is an integer number (130262).

2672304 is an apocalyptic number.

It is an amenable number.

672304 is a deficient number, since it is larger than the sum of its proper divisors (630316).

672304 is a wasteful number, since it uses less digits than its factorization.

672304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42027 (or 42021 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 672304 is about 819.9414613251. The cubic root of 672304 is about 87.6035888802.

The spelling of 672304 in words is "six hundred seventy-two thousand, three hundred four".

Divisors: 1 2 4 8 16 42019 84038 168076 336152 672304