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532161 = 3278447
BaseRepresentation
bin10000001111011000001
31000000222200
42001323001
5114012121
615223413
74344330
oct2017301
91000880
10532161
11333903
12217b69
131582b6
14dbd17
15a7a26
hex81ec1

532161 has 12 divisors (see below), whose sum is σ = 878592. Its totient is φ = 304056.

The previous prime is 532159. The next prime is 532163. The reversal of 532161 is 161235.

It is an interprime number because it is at equal distance from previous prime (532159) and next prime (532163).

It is not a de Polignac number, because 532161 - 21 = 532159 is a prime.

532161 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 532161.

It is not an unprimeable number, because it can be changed into a prime (532163) 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, 4161 + ... + 4286.

It is an arithmetic number, because the mean of its divisors is an integer number (73216).

2532161 is an apocalyptic number.

It is an amenable number.

532161 is a deficient number, since it is larger than the sum of its proper divisors (346431).

532161 is a wasteful number, since it uses less digits than its factorization.

532161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8460 (or 8457 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 532161 is about 729.4936600136. The cubic root of 532161 is about 81.0365632826.

Adding to 532161 its reverse (161235), we get a palindrome (693396).

The spelling of 532161 in words is "five hundred thirty-two thousand, one hundred sixty-one".

Divisors: 1 3 7 9 21 63 8447 25341 59129 76023 177387 532161