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20425882 = 253192697
BaseRepresentation
bin100110111101…
…0110010011010
31102102202001011
41031322302122
520212112012
62005444134
7335421451
oct115726232
942382034
1020425882
11105912a4
126a1064a
134302229
1429d9b98
151bd71a7
hex137ac9a

20425882 has 8 divisors (see below), whose sum is σ = 31217076. Its totient is φ = 10020192.

The previous prime is 20425879. The next prime is 20425883. The reversal of 20425882 is 28852402.

It can be written as a sum of positive squares in 2 ways, for example, as 17464041 + 2961841 = 4179^2 + 1721^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20425883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96243 + ... + 96454.

Almost surely, 220425882 is an apocalyptic number.

20425882 is a deficient number, since it is larger than the sum of its proper divisors (10791194).

20425882 is a wasteful number, since it uses less digits than its factorization.

20425882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192752.

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 20425882 is about 4519.5001936055. The cubic root of 20425882 is about 273.3549480561.

The spelling of 20425882 in words is "twenty million, four hundred twenty-five thousand, eight hundred eighty-two".

Divisors: 1 2 53 106 192697 385394 10212941 20425882