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22965 = 351531
BaseRepresentation
bin101100110110101
31011111120
411212311
51213330
6254153
7123645
oct54665
934446
1022965
1116288
1211359
13a5b7
148525
156c10
hex59b5

22965 has 8 divisors (see below), whose sum is σ = 36768. Its totient is φ = 12240.

The previous prime is 22963. The next prime is 22973. The reversal of 22965 is 56922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22965 - 21 = 22963 is a prime.

22965 is a lucky number.

It is a plaindrome in base 9 and base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751 + ... + 780.

It is an arithmetic number, because the mean of its divisors is an integer number (4596).

222965 is an apocalyptic number.

It is an amenable number.

22965 is a deficient number, since it is larger than the sum of its proper divisors (13803).

22965 is a wasteful number, since it uses less digits than its factorization.

22965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539.

The product of its digits is 1080, while the sum is 24.

The square root of 22965 is about 151.5420733658. The cubic root of 22965 is about 28.4242370629.

The spelling of 22965 in words is "twenty-two thousand, nine hundred sixty-five".

Divisors: 1 3 5 15 1531 4593 7655 22965