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20089892 = 2273107643
BaseRepresentation
bin100110010100…
…0110000100100
31101210200011002
41030220300210
520120334032
61554332432
7332522054
oct114506044
941720132
1020089892
1110381919
12688a118
134215314
14294d564
151b6c862
hex1328c24

20089892 has 24 divisors (see below), whose sum is σ = 36027936. Its totient is φ = 9799488.

The previous prime is 20089889. The next prime is 20089921. The reversal of 20089892 is 29898002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30923 + ... + 31565.

It is an arithmetic number, because the mean of its divisors is an integer number (1501164).

Almost surely, 220089892 is an apocalyptic number.

It is an amenable number.

20089892 is a deficient number, since it is larger than the sum of its proper divisors (15938044).

20089892 is a wasteful number, since it uses less digits than its factorization.

20089892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 825 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 20089892 is about 4482.1749184966. The cubic root of 20089892 is about 271.8478279446.

The spelling of 20089892 in words is "twenty million, eighty-nine thousand, eight hundred ninety-two".

Divisors: 1 2 4 73 107 146 214 292 428 643 1286 2572 7811 15622 31244 46939 68801 93878 137602 187756 275204 5022473 10044946 20089892