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20087792 = 244912557
BaseRepresentation
bin100110010100…
…0001111110000
31101210120021022
41030220033300
520120302132
61554315012
7332512664
oct114501760
941716238
1020087792
111038028a
126888a68
13421438a
14294c8a4
151b6be12
hex13283f0

20087792 has 20 divisors (see below), whose sum is σ = 39014616. Its totient is φ = 10019520.

The previous prime is 20087791. The next prime is 20087797. The reversal of 20087792 is 29778002.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20087791) 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 3 ways as a sum of consecutive naturals, for example, 6578 + ... + 9134.

Almost surely, 220087792 is an apocalyptic number.

It is an amenable number.

20087792 is a deficient number, since it is larger than the sum of its proper divisors (18926824).

20087792 is a wasteful number, since it uses less digits than its factorization.

20087792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056 (or 3050 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 20087792 is about 4481.9406511019. The cubic root of 20087792 is about 271.8383555138.

The spelling of 20087792 in words is "twenty million, eighty-seven thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 16 491 982 1964 2557 3928 5114 7856 10228 20456 40912 1255487 2510974 5021948 10043896 20087792