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670269637 is a prime number
BaseRepresentation
bin100111111100111…
…000000011000101
31201201020020002101
4213330320003011
52333042112022
6150302112101
722416124612
oct4774700305
91651206071
10670269637
11314393554
1216857b631
13a8b3006b
1465039509
153dc9d627
hex27f380c5

670269637 has 2 divisors, whose sum is σ = 670269638. Its totient is φ = 670269636.

The previous prime is 670269629. The next prime is 670269671. The reversal of 670269637 is 736962076.

670269637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 631717956 + 38551681 = 25134^2 + 6209^2 .

It is a cyclic number.

It is not a de Polignac number, because 670269637 - 23 = 670269629 is a prime.

It is a super-2 number, since 2×6702696372 = 898522772568223538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670260637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335134818 + 335134819.

It is an arithmetic number, because the mean of its divisors is an integer number (335134819).

Almost surely, 2670269637 is an apocalyptic number.

It is an amenable number.

670269637 is a deficient number, since it is larger than the sum of its proper divisors (1).

670269637 is an equidigital number, since it uses as much as digits as its factorization.

670269637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 46.

The square root of 670269637 is about 25889.5661802202. The cubic root of 670269637 is about 875.1513803938.

The spelling of 670269637 in words is "six hundred seventy million, two hundred sixty-nine thousand, six hundred thirty-seven".