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20573412 = 2232959119
BaseRepresentation
bin100111001111…
…0110011100100
31102201020102020
41032132303210
520231322122
62012543140
7336604536
oct116366344
942636366
1020573412
1110682122
126a81ab0
134354422
142a37856
151c15c5c
hex139ece4

20573412 has 24 divisors (see below), whose sum is σ = 49660800. Its totient is φ = 6621216.

The previous prime is 20573411. The next prime is 20573453. The reversal of 20573412 is 21437502.

It is not an unprimeable number, because it can be changed into a prime (20573411) 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, 29212 + ... + 29907.

It is an arithmetic number, because the mean of its divisors is an integer number (2069200).

Almost surely, 220573412 is an apocalyptic number.

It is an amenable number.

20573412 is an abundant number, since it is smaller than the sum of its proper divisors (29087388).

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

20573412 is a wasteful number, since it uses less digits than its factorization.

20573412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59155 (or 59153 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 20573412 is about 4535.7923232882. The cubic root of 20573412 is about 274.0114900966.

The spelling of 20573412 in words is "twenty million, five hundred seventy-three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 59119 118238 177357 236476 354714 709428 1714451 3428902 5143353 6857804 10286706 20573412