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20052798 = 233342133
BaseRepresentation
bin100110001111…
…1101100111110
31101201210021020
41030133230332
520113142143
61553445010
7332305653
oct114375476
941653236
1020052798
1110356a67
126870766
13420147c
14293dc2a
151b61883
hex131fb3e

20052798 has 8 divisors (see below), whose sum is σ = 40105608. Its totient is φ = 6684264.

The previous prime is 20052793. The next prime is 20052811. The reversal of 20052798 is 89725002.

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

20052798 is an admirable number.

It is a super-2 number, since 2×200527982 = 804229415257608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20052793) 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, 1671061 + ... + 1671072.

It is an arithmetic number, because the mean of its divisors is an integer number (5013201).

Almost surely, 220052798 is an apocalyptic number.

20052798 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.

20052798 is a wasteful number, since it uses less digits than its factorization.

20052798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342138.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 20052798 is about 4478.0350601575. The cubic root of 20052798 is about 271.6804114808.

The spelling of 20052798 in words is "twenty million, fifty-two thousand, seven hundred ninety-eight".

Divisors: 1 2 3 6 3342133 6684266 10026399 20052798