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20458852 = 226797787
BaseRepresentation
bin100111000001…
…0110101100100
31102111102021021
41032002311210
520214140402
62010300524
7335616541
oct116026544
942442237
1020458852
1110604047
126a27744
13431423b
142a07bc8
151be1d37
hex1382d64

20458852 has 24 divisors (see below), whose sum is σ = 36758624. Its totient is φ = 9960192.

The previous prime is 20458849. The next prime is 20458859. The reversal of 20458852 is 25885402.

It is not an unprimeable number, because it can be changed into a prime (20458859) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25603 + ... + 26389.

Almost surely, 220458852 is an apocalyptic number.

It is an amenable number.

20458852 is a deficient number, since it is larger than the sum of its proper divisors (16299772).

20458852 is a wasteful number, since it uses less digits than its factorization.

20458852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955 (or 953 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 20458852 is about 4523.1462501228. The cubic root of 20458852 is about 273.5019456718.

The spelling of 20458852 in words is "twenty million, four hundred fifty-eight thousand, eight hundred fifty-two".

Divisors: 1 2 4 67 97 134 194 268 388 787 1574 3148 6499 12998 25996 52729 76339 105458 152678 210916 305356 5114713 10229426 20458852