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670075677 = 32241308933
BaseRepresentation
bin100111111100001…
…000101100011101
31201200212101000200
4213330020230131
52333014410202
6150254014113
722414356255
oct4774105435
91650771020
10670075677
11314270857
121684a7339
13a8a929ab
1464dc8965
153dc60e1c
hex27f08b1d

670075677 has 12 divisors (see below), whose sum is σ = 971906364. Its totient is φ = 444862080.

The previous prime is 670075657. The next prime is 670075697. The reversal of 670075677 is 776570076.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (670075657) and next prime (670075697).

It can be written as a sum of positive squares in 2 ways, for example, as 251095716 + 418979961 = 15846^2 + 20469^2 .

It is not a de Polignac number, because 670075677 - 220 = 669027101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670075657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152298 + ... + 156635.

It is an arithmetic number, because the mean of its divisors is an integer number (80992197).

Almost surely, 2670075677 is an apocalyptic number.

It is an amenable number.

670075677 is a deficient number, since it is larger than the sum of its proper divisors (301830687).

670075677 is a wasteful number, since it uses less digits than its factorization.

670075677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309180 (or 309177 counting only the distinct ones).

The product of its (nonzero) digits is 432180, while the sum is 45.

The square root of 670075677 is about 25885.8199986016. The cubic root of 670075677 is about 875.0669562912.

The spelling of 670075677 in words is "six hundred seventy million, seventy-five thousand, six hundred seventy-seven".

Divisors: 1 3 9 241 723 2169 308933 926799 2780397 74452853 223358559 670075677