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20575482 = 2313725031
BaseRepresentation
bin100111001111…
…1010011111010
31102201100020220
41032133103322
520231403412
62013000510
7336613554
oct116372372
942640226
1020575482
1110683734
126a83136
134355355
142a384d4
151c1668c
hex139f4fa

20575482 has 16 divisors (see below), whose sum is σ = 41452992. Its totient is φ = 6808160.

The previous prime is 20575463. The next prime is 20575487. The reversal of 20575482 is 28457502.

It is not an unprimeable number, because it can be changed into a prime (20575487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11694 + ... + 13337.

It is an arithmetic number, because the mean of its divisors is an integer number (2590812).

Almost surely, 220575482 is an apocalyptic number.

20575482 is an abundant number, since it is smaller than the sum of its proper divisors (20877510).

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

20575482 is a wasteful number, since it uses less digits than its factorization.

20575482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25173.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 20575482 is about 4536.0205025992. The cubic root of 20575482 is about 274.0206797044.

The spelling of 20575482 in words is "twenty million, five hundred seventy-five thousand, four hundred eighty-two".

Divisors: 1 2 3 6 137 274 411 822 25031 50062 75093 150186 3429247 6858494 10287741 20575482