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402255055 = 5563142897
BaseRepresentation
bin10111111110011…
…110110011001111
31001000220200012101
4113332132303033
51310434130210
6103525415531
712653053156
oct2776366317
91030820171
10402255055
111970761a4
12b286a5a7
1365450b57
143b5d059d
15254aba3a
hex17f9eccf

402255055 has 8 divisors (see below), whose sum is σ = 483566832. Its totient is φ = 321230208.

The previous prime is 402255053. The next prime is 402255109. The reversal of 402255055 is 550552204.

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 402255055 - 21 = 402255053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402255053) 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, 68634 + ... + 74263.

It is an arithmetic number, because the mean of its divisors is an integer number (60445854).

Almost surely, 2402255055 is an apocalyptic number.

402255055 is a deficient number, since it is larger than the sum of its proper divisors (81311777).

402255055 is a wasteful number, since it uses less digits than its factorization.

402255055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143465.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 402255055 is about 20056.2971407984. The cubic root of 402255055 is about 738.1883214686.

The spelling of 402255055 in words is "four hundred two million, two hundred fifty-five thousand, fifty-five".

Divisors: 1 5 563 2815 142897 714485 80451011 402255055