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670072160 = 2554187951
BaseRepresentation
bin100111111100000…
…111110101100000
31201200212012012102
4213330013311200
52333014302120
6150253545532
722414343102
oct4774076540
91650765172
10670072160
1131426914a
121684a52a8
13a8a91204
1464dc7572
153dc5ed75
hex27f07d60

670072160 has 24 divisors (see below), whose sum is σ = 1583045856. Its totient is φ = 268028800.

The previous prime is 670072127. The next prime is 670072177. The reversal of 670072160 is 61270076.

It is a congruent number.

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, 2093816 + ... + 2094135.

It is an arithmetic number, because the mean of its divisors is an integer number (65960244).

Almost surely, 2670072160 is an apocalyptic number.

It is an amenable number.

670072160 is an abundant number, since it is smaller than the sum of its proper divisors (912973696).

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

670072160 is a wasteful number, since it uses less digits than its factorization.

670072160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187966 (or 4187958 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 670072160 is about 25885.7520655669. The cubic root of 670072160 is about 875.0654253120.

The spelling of 670072160 in words is "six hundred seventy million, seventy-two thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 4187951 8375902 16751804 20939755 33503608 41879510 67007216 83759020 134014432 167518040 335036080 670072160