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23485 = 571161
BaseRepresentation
bin101101110111101
31012012211
411232331
51222420
6300421
7125320
oct55675
935184
1023485
1116710
1211711
13a8c7
1487b7
156e5a
hex5bbd

23485 has 16 divisors (see below), whose sum is σ = 35712. Its totient is φ = 14400.

The previous prime is 23473. The next prime is 23497. The reversal of 23485 is 58432.

23485 is nontrivially palindromic in base 12.

It is an interprime number because it is at equal distance from previous prime (23473) and next prime (23497).

It is not a de Polignac number, because 23485 - 27 = 23357 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355 + ... + 415.

It is an arithmetic number, because the mean of its divisors is an integer number (2232).

223485 is an apocalyptic number.

23485 is the 77-th decagonal number.

It is an amenable number.

23485 is a deficient number, since it is larger than the sum of its proper divisors (12227).

23485 is a wasteful number, since it uses less digits than its factorization.

23485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84.

The product of its digits is 960, while the sum is 22.

The square root of 23485 is about 153.2481647525. The cubic root of 23485 is about 28.6371759697.

The spelling of 23485 in words is "twenty-three thousand, four hundred eighty-five".

Divisors: 1 5 7 11 35 55 61 77 305 385 427 671 2135 3355 4697 23485