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161150 = 25211293
BaseRepresentation
bin100111010101111110
322012001112
4213111332
520124100
63242022
71240553
oct472576
9265045
10161150
11100090
1279312
1358472
1442a2a
1532b35
hex2757e

161150 has 24 divisors (see below), whose sum is σ = 328104. Its totient is φ = 58400.

The previous prime is 161149. The next prime is 161159. The reversal of 161150 is 51161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 404 + ... + 696.

It is an arithmetic number, because the mean of its divisors is an integer number (13671).

2161150 is an apocalyptic number.

161150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161150 is an abundant number, since it is smaller than the sum of its proper divisors (166954).

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

161150 is a wasteful number, since it uses less digits than its factorization.

161150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 161150 is about 401.4349262334. The cubic root of 161150 is about 54.4181077983.

It can be divided in two parts, 1611 and 50, that added together give a palindrome (1661).

The spelling of 161150 in words is "one hundred sixty-one thousand, one hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 293 550 586 1465 2930 3223 6446 7325 14650 16115 32230 80575 161150