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168872074 = 2724150051
BaseRepresentation
bin10100001000011…
…00100010001010
3102202202120221021
422010030202022
5321212401244
624431303054
74120250260
oct1204144212
9382676837
10168872074
11873620a8
124867aa8a
1328ca8b07
14185dc430
15ec5b284
hexa10c88a

168872074 has 16 divisors (see below), whose sum is σ = 290702016. Its totient is φ = 72072000.

The previous prime is 168872063. The next prime is 168872083. The reversal of 168872074 is 470278861.

It is a super-2 number, since 2×1688720742 = 57035554754122952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 168872074.

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, 21652 + ... + 28399.

It is an arithmetic number, because the mean of its divisors is an integer number (18168876).

Almost surely, 2168872074 is an apocalyptic number.

168872074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

168872074 is a deficient number, since it is larger than the sum of its proper divisors (121829942).

168872074 is a wasteful number, since it uses less digits than its factorization.

168872074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50301.

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 168872074 is about 12995.0788377755. The cubic root of 168872074 is about 552.7379443697.

The spelling of 168872074 in words is "one hundred sixty-eight million, eight hundred seventy-two thousand, seventy-four".

Divisors: 1 2 7 14 241 482 1687 3374 50051 100102 350357 700714 12062291 24124582 84436037 168872074