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20056055 = 517922409
BaseRepresentation
bin100110010000…
…0011111110111
31101201221201212
41030200133313
520113243210
61553512035
7332321315
oct114403767
941657655
1020056055
1110359458
12687261b
134202ab6
1429410b5
151b62805
hex13207f7

20056055 has 8 divisors (see below), whose sum is σ = 24202800. Its totient is φ = 15954496.

The previous prime is 20056027. The next prime is 20056087. The reversal of 20056055 is 55065002.

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

It is a cyclic number.

It is not a de Polignac number, because 20056055 - 26 = 20055991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20056055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10310 + ... + 12099.

It is an arithmetic number, because the mean of its divisors is an integer number (3025350).

Almost surely, 220056055 is an apocalyptic number.

20056055 is a deficient number, since it is larger than the sum of its proper divisors (4146745).

20056055 is a wasteful number, since it uses less digits than its factorization.

20056055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22593.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 20056055 is about 4478.3987093603. The cubic root of 20056055 is about 271.6951195729.

The spelling of 20056055 in words is "twenty million, fifty-six thousand, fifty-five".

Divisors: 1 5 179 895 22409 112045 4011211 20056055