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BaseRepresentation
bin100111011000001100
322012020210
4213120030
520130132
63242420
71241145
oct473014
9265223
10161292
111001aa
1279410
1358551
1442acc
1532bcc
hex2760c

161292 has 12 divisors (see below), whose sum is σ = 376376. Its totient is φ = 53760.

The previous prime is 161281. The next prime is 161303. The reversal of 161292 is 292161.

It is an interprime number because it is at equal distance from previous prime (161281) and next prime (161303).

It is a tau number, because it is divible by the number of its divisors (12).

It is an alternating number because its digits alternate between odd and even.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 161292.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6709 + ... + 6732.

2161292 is an apocalyptic number.

161292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161292 is an abundant number, since it is smaller than the sum of its proper divisors (215084).

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

161292 is a wasteful number, since it uses less digits than its factorization.

161292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13448 (or 13446 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

The square root of 161292 is about 401.6117528161. The cubic root of 161292 is about 54.4340869124.

The spelling of 161292 in words is "one hundred sixty-one thousand, two hundred ninety-two".