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670711338 = 232114772073
BaseRepresentation
bin100111111110100…
…011111000101010
31201202001122222200
4213332203320222
52333200230323
6150315401030
722422644433
oct4776437052
91652048880
10670711338
113146653a0
12168753176
13a8c5611b
146511248a
153dd39443
hex27fa3e2a

670711338 has 48 divisors (see below), whose sum is σ = 1619070336. Its totient is φ = 198918720.

The previous prime is 670711337. The next prime is 670711361. The reversal of 670711338 is 833117076.

It is not an unprimeable number, because it can be changed into a prime (670711331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26731 + ... + 45342.

It is an arithmetic number, because the mean of its divisors is an integer number (33730632).

Almost surely, 2670711338 is an apocalyptic number.

670711338 is an abundant number, since it is smaller than the sum of its proper divisors (948358998).

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

670711338 is a wasteful number, since it uses less digits than its factorization.

670711338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72139 (or 72136 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 670711338 is about 25898.0952581459. The cubic root of 670711338 is about 875.3435768560.

The spelling of 670711338 in words is "six hundred seventy million, seven hundred eleven thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 9 11 18 22 33 47 66 94 99 141 198 282 423 517 846 1034 1551 3102 4653 9306 72073 144146 216219 432438 648657 792803 1297314 1585606 2378409 3387431 4756818 6774862 7135227 10162293 14270454 20324586 30486879 37261741 60973758 74523482 111785223 223570446 335355669 670711338