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161412 = 22313451
BaseRepresentation
bin100111011010000100
322012102020
4213122010
520131122
63243140
71241406
oct473204
9265366
10161412
111002a9
12794b0
1358614
1442b76
1532c5c
hex27684

161412 has 12 divisors (see below), whose sum is σ = 376656. Its totient is φ = 53800.

The previous prime is 161411. The next prime is 161453. The reversal of 161412 is 214161.

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

It is a nude number because it is divisible by every one of its digits.

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

It is a junction number, because it is equal to n+sod(n) for n = 161391 and 161400.

It is not an unprimeable number, because it can be changed into a prime (161411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6714 + ... + 6737.

It is an arithmetic number, because the mean of its divisors is an integer number (31388).

2161412 is an apocalyptic number.

161412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161412 is an abundant number, since it is smaller than the sum of its proper divisors (215244).

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

161412 is a wasteful number, since it uses less digits than its factorization.

161412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13458 (or 13456 counting only the distinct ones).

The product of its digits is 48, while the sum is 15.

The square root of 161412 is about 401.7611230570. The cubic root of 161412 is about 54.4475830791.

Adding to 161412 its reverse (214161), we get a palindrome (375573).

The spelling of 161412 in words is "one hundred sixty-one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 13451 26902 40353 53804 80706 161412