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168070136 = 23131679677
BaseRepresentation
bin10100000010010…
…00101111111000
3102201020211212212
422001020233320
5321011221021
624402154252
74110400253
oct1201105770
9381224785
10168070136
1186964643
1248352988
1328a87ab0
141847009a
15eb4d85b
hexa048bf8

168070136 has 32 divisors (see below), whose sum is σ = 341439840. Its totient is φ = 77098368.

The previous prime is 168070121. The next prime is 168070141. The reversal of 168070136 is 631070861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12530 + ... + 22206.

It is an arithmetic number, because the mean of its divisors is an integer number (10669995).

Almost surely, 2168070136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168070136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170719920).

168070136 is an abundant number, since it is smaller than the sum of its proper divisors (173369704).

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

168070136 is a wasteful number, since it uses less digits than its factorization.

168070136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9863 (or 9859 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 168070136 is about 12964.1866694367. The cubic root of 168070136 is about 551.8616102703.

The spelling of 168070136 in words is "one hundred sixty-eight million, seventy thousand, one hundred thirty-six".

Divisors: 1 2 4 8 13 26 52 104 167 334 668 1336 2171 4342 8684 9677 17368 19354 38708 77416 125801 251602 503204 1006408 1616059 3232118 6464236 12928472 21008767 42017534 84035068 168070136