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161052 = 22313421
BaseRepresentation
bin100111010100011100
322011220220
4213110130
520123202
63241340
71240353
oct472434
9264826
10161052
11100001
1279250
13583c8
144299a
1532abc
hex2751c

161052 has 12 divisors (see below), whose sum is σ = 375816. Its totient is φ = 53680.

The previous prime is 161047. The next prime is 161053. The reversal of 161052 is 250161.

161052 is nontrivially palindromic in base 11.

161052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 115+1.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161053) 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, 6699 + ... + 6722.

It is an arithmetic number, because the mean of its divisors is an integer number (31318).

161052 is a Friedman number, since it can be written as 1+(6*2-1-0)^5, using all its digits and the basic arithmetic operations.

2161052 is an apocalyptic number.

161052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161052 is an abundant number, since it is smaller than the sum of its proper divisors (214764).

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

161052 is a wasteful number, since it uses less digits than its factorization.

161052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13428 (or 13426 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 161052 is about 401.3128455457. The cubic root of 161052 is about 54.4070744836.

The spelling of 161052 in words is "one hundred sixty-one thousand, fifty-two".

Divisors: 1 2 3 4 6 12 13421 26842 40263 53684 80526 161052