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23060631 = 3111574451
BaseRepresentation
bin101011111111…
…0000010010111
31121101121020110
41113332002113
521400420011
62142134103
7400004106
oct127760227
947347213
1023060631
1112020880
127881333
134a15559
1430c403d
152057ba6
hex15fe097

23060631 has 16 divisors (see below), whose sum is σ = 33763968. Its totient is φ = 13884000.

The previous prime is 23060617. The next prime is 23060659. The reversal of 23060631 is 13606032.

It is not a de Polignac number, because 23060631 - 29 = 23060119 is a prime.

It is a super-2 number, since 2×230606312 = 1063585404236322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23060598 and 23060607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23060831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2956 + ... + 7406.

It is an arithmetic number, because the mean of its divisors is an integer number (2110248).

Almost surely, 223060631 is an apocalyptic number.

23060631 is a deficient number, since it is larger than the sum of its proper divisors (10703337).

23060631 is a wasteful number, since it uses less digits than its factorization.

23060631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 23060631 is about 4802.1485816247. The cubic root of 23060631 is about 284.6363721988.

Adding to 23060631 its reverse (13606032), we get a palindrome (36666663).

The spelling of 23060631 in words is "twenty-three million, sixty thousand, six hundred thirty-one".

Divisors: 1 3 11 33 157 471 1727 4451 5181 13353 48961 146883 698807 2096421 7686877 23060631