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168871146 = 2348757793
BaseRepresentation
bin10100001000011…
…00010011101010
3102202202112122220
422010030103222
5321212334041
624431254510
74120244463
oct1204142352
9382675586
10168871146
1187361434
124867a436
1328ca8572
14185dbd6a
15ec5ad66
hexa10c4ea

168871146 has 16 divisors (see below), whose sum is σ = 338441664. Its totient is φ = 56173824.

The previous prime is 168871139. The next prime is 168871151. The reversal of 168871146 is 641178861.

It is a junction number, because it is equal to n+sod(n) for n = 168871098 and 168871107.

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, 25975 + ... + 31818.

It is an arithmetic number, because the mean of its divisors is an integer number (21152604).

Almost surely, 2168871146 is an apocalyptic number.

168871146 is an abundant number, since it is smaller than the sum of its proper divisors (169570518).

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

168871146 is a wasteful number, since it uses less digits than its factorization.

168871146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58285.

The product of its digits is 64512, while the sum is 42.

The square root of 168871146 is about 12995.0431319023. The cubic root of 168871146 is about 552.7369318838.

The spelling of 168871146 in words is "one hundred sixty-eight million, eight hundred seventy-one thousand, one hundred forty-six".

Divisors: 1 2 3 6 487 974 1461 2922 57793 115586 173379 346758 28145191 56290382 84435573 168871146