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20695482 = 2321149749
BaseRepresentation
bin100111011110…
…0100110111010
31102221102212100
41032330212322
520244223412
62015324230
7340623453
oct116744672
942842770
1020695482
1110755905
126b20676
134397b62
142a6a12a
151c3bedc
hex13bc9ba

20695482 has 12 divisors (see below), whose sum is σ = 44840250. Its totient is φ = 6898488.

The previous prime is 20695459. The next prime is 20695483. The reversal of 20695482 is 28459602.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18326961 + 2368521 = 4281^2 + 1539^2 .

It is not an unprimeable number, because it can be changed into a prime (20695483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 574857 + ... + 574892.

Almost surely, 220695482 is an apocalyptic number.

20695482 is an abundant number, since it is smaller than the sum of its proper divisors (24144768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20695482 is a wasteful number, since it uses less digits than its factorization.

20695482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149757 (or 1149754 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 20695482 is about 4549.2287258391. The cubic root of 20695482 is about 274.5523604418.

The spelling of 20695482 in words is "twenty million, six hundred ninety-five thousand, four hundred eighty-two".

Divisors: 1 2 3 6 9 18 1149749 2299498 3449247 6898494 10347741 20695482