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670312357 = 11134687499
BaseRepresentation
bin100111111101000…
…010011110100101
31201201022101200121
4213331002132211
52333044443412
6150303041541
722416363301
oct4775023645
91651271617
10670312357
11314412660
121685a02b1
13a8b46640
146504ad01
153dcab107
hex27f427a5

670312357 has 8 divisors (see below), whose sum is σ = 787500000. Its totient is φ = 562499760.

The previous prime is 670312333. The next prime is 670312373. The reversal of 670312357 is 753213076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-670312357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670315357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2343607 + ... + 2343892.

It is an arithmetic number, because the mean of its divisors is an integer number (98437500).

Almost surely, 2670312357 is an apocalyptic number.

It is an amenable number.

670312357 is a deficient number, since it is larger than the sum of its proper divisors (117187643).

670312357 is a wasteful number, since it uses less digits than its factorization.

670312357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4687523.

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 670312357 is about 25890.3912098678. The cubic root of 670312357 is about 875.1699727486.

The spelling of 670312357 in words is "six hundred seventy million, three hundred twelve thousand, three hundred fifty-seven".

Divisors: 1 11 13 143 4687499 51562489 60937487 670312357