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165160 = 2354129
BaseRepresentation
bin101000010100101000
322101120001
4220110220
520241120
63312344
71255342
oct502450
9271501
10165160
111030a6
127b6b4
135a238
1444292
1533e0a
hex28528

165160 has 16 divisors (see below), whose sum is σ = 371700. Its totient is φ = 66048.

The previous prime is 165133. The next prime is 165161. The reversal of 165160 is 61561.

It can be written as a sum of positive squares in 2 ways, for example, as 164836 + 324 = 406^2 + 18^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165161) 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, 2025 + ... + 2104.

2165160 is an apocalyptic number.

165160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165160 is an abundant number, since it is smaller than the sum of its proper divisors (206540).

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

165160 is a wasteful number, since it uses less digits than its factorization.

165160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140 (or 4136 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 165160 is about 406.3988188959. The cubic root of 165160 is about 54.8657884646.

It can be divided in two parts, 1651 and 60, that added together give a triangular number (1711 = T58).

The spelling of 165160 in words is "one hundred sixty-five thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 4129 8258 16516 20645 33032 41290 82580 165160