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20084574 = 233347429
BaseRepresentation
bin100110010011…
…1011101011110
31101210101212010
41030213131132
520120201244
61554252050
7332500416
oct114473536
941711763
1020084574
1110378924
126887026
134212a83
14294b646
151b6aeb9
hex132775e

20084574 has 8 divisors (see below), whose sum is σ = 40169160. Its totient is φ = 6694856.

The previous prime is 20084573. The next prime is 20084579. The reversal of 20084574 is 47548002.

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

20084574 is an admirable number.

It is a super-2 number, since 2×200845742 = 806780225522952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20084573) 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, 1673709 + ... + 1673720.

It is an arithmetic number, because the mean of its divisors is an integer number (5021145).

Almost surely, 220084574 is an apocalyptic number.

20084574 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20084574 is a wasteful number, since it uses less digits than its factorization.

20084574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347434.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 20084574 is about 4481.5816404479. The cubic root of 20084574 is about 271.8238388604.

The spelling of 20084574 in words is "twenty million, eighty-four thousand, five hundred seventy-four".

Divisors: 1 2 3 6 3347429 6694858 10042287 20084574