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108261 = 3223523
BaseRepresentation
bin11010011011100101
312111111200
4122123211
511431021
62153113
7630426
oct323345
9174450
10108261
117437a
1252799
133a37a
142b64d
1522126
hex1a6e5

108261 has 12 divisors (see below), whose sum is σ = 163488. Its totient is φ = 68904.

The previous prime is 108247. The next prime is 108263. The reversal of 108261 is 162801.

It is not a de Polignac number, because 108261 - 211 = 106213 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108263) 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, 55 + ... + 468.

It is an arithmetic number, because the mean of its divisors is an integer number (13624).

2108261 is an apocalyptic number.

It is an amenable number.

108261 is a deficient number, since it is larger than the sum of its proper divisors (55227).

108261 is a wasteful number, since it uses less digits than its factorization.

108261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 108261 is about 329.0303937329. The cubic root of 108261 is about 47.6603628897.

The spelling of 108261 in words is "one hundred eight thousand, two hundred sixty-one".

Divisors: 1 3 9 23 69 207 523 1569 4707 12029 36087 108261