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22630 = 253173
BaseRepresentation
bin101100001100110
31011001011
411201212
51211010
6252434
7122656
oct54146
934034
1022630
1116003
121111a
13a3ba
148366
156a8a
hex5866

22630 has 16 divisors (see below), whose sum is σ = 42624. Its totient is φ = 8640.

The previous prime is 22621. The next prime is 22637. The reversal of 22630 is 3622.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 22630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274 + ... + 346.

It is an arithmetic number, because the mean of its divisors is an integer number (2664).

222630 is an apocalyptic number.

22630 is a deficient number, since it is larger than the sum of its proper divisors (19994).

22630 is a wasteful number, since it uses less digits than its factorization.

22630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 22630 is about 150.4327092091. The cubic root of 22630 is about 28.2853474574.

It can be divided in two parts, 226 and 30, that added together give a 8-th power (256 = 28).

The spelling of 22630 in words is "twenty-two thousand, six hundred thirty".

Divisors: 1 2 5 10 31 62 73 146 155 310 365 730 2263 4526 11315 22630