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168051 = 31331139
BaseRepresentation
bin101001000001110011
322112112010
4221001303
520334201
63334003
71266642
oct510163
9275463
10168051
11105294
1281303
135b650
1445359
1534bd6
hex29073

168051 has 16 divisors (see below), whose sum is σ = 250880. Its totient is φ = 99360.

The previous prime is 168043. The next prime is 168067. The reversal of 168051 is 150861.

It is not a de Polignac number, because 168051 - 23 = 168043 is a prime.

It is a super-2 number, since 2×1680512 = 56482277202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1140 + ... + 1278.

It is an arithmetic number, because the mean of its divisors is an integer number (15680).

2168051 is an apocalyptic number.

168051 is a deficient number, since it is larger than the sum of its proper divisors (82829).

168051 is a wasteful number, since it uses less digits than its factorization.

168051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 168051 is about 409.9402395472. The cubic root of 168051 is about 55.1840664997.

The spelling of 168051 in words is "one hundred sixty-eight thousand, fifty-one".

Divisors: 1 3 13 31 39 93 139 403 417 1209 1807 4309 5421 12927 56017 168051