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70164988 = 22130713421
BaseRepresentation
bin1000010111010…
…10000111111100
311220000202021021
410023222013330
5120430234423
610543513524
71511251435
oct413520774
9156022237
1070164988
1136673aa3
121b5b88a4
13116c895a
14946648c
15625e95d
hex42ea1fc

70164988 has 12 divisors (see below), whose sum is σ = 122891832. Its totient is φ = 35053040.

The previous prime is 70164971. The next prime is 70164989. The reversal of 70164988 is 88946107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70164989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1483 + ... + 11938.

It is an arithmetic number, because the mean of its divisors is an integer number (10240986).

Almost surely, 270164988 is an apocalyptic number.

It is an amenable number.

70164988 is a deficient number, since it is larger than the sum of its proper divisors (52726844).

70164988 is a wasteful number, since it uses less digits than its factorization.

70164988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14732 (or 14730 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 70164988 is about 8376.4543811806. The cubic root of 70164988 is about 412.4520676475.

The spelling of 70164988 in words is "seventy million, one hundred sixty-four thousand, nine hundred eighty-eight".

Divisors: 1 2 4 1307 2614 5228 13421 26842 53684 17541247 35082494 70164988