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168704070 = 2355623469
BaseRepresentation
bin10100000111000…
…11100001000110
3102202110001110220
422003203201012
5321142012240
624423525210
74115650413
oct1203434106
9382401426
10168704070
1187257957
12485b9806
1328c4a4c2
141859710a
15ec265d0
hexa0e3846

168704070 has 16 divisors (see below), whose sum is σ = 404889840. Its totient is φ = 44987744.

The previous prime is 168704047. The next prime is 168704087. The reversal of 168704070 is 70407861.

It is a super-2 number, since 2×1687040702 = 56922126469129800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2811705 + ... + 2811764.

It is an arithmetic number, because the mean of its divisors is an integer number (25305615).

Almost surely, 2168704070 is an apocalyptic number.

168704070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168704070 is an abundant number, since it is smaller than the sum of its proper divisors (236185770).

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

168704070 is a wasteful number, since it uses less digits than its factorization.

168704070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5623479.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 168704070 is about 12988.6130899338. The cubic root of 168704070 is about 552.5545846714.

The spelling of 168704070 in words is "one hundred sixty-eight million, seven hundred four thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 5623469 11246938 16870407 28117345 33740814 56234690 84352035 168704070