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50042155 = 579151839
BaseRepresentation
bin1011111011100…
…1010100101011
310111011101221011
42332321110223
5100302322110
64544324351
71145231332
oct276712453
9114141834
1050042155
112627a459
12149136b7
13a4a1657
146908d19
1545d748a
hex2fb952b

50042155 has 16 divisors (see below), whose sum is σ = 61286400. Its totient is φ = 39218400.

The previous prime is 50042147. The next prime is 50042171. The reversal of 50042155 is 55124005.

It is not a de Polignac number, because 50042155 - 23 = 50042147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59226 + ... + 60064.

It is an arithmetic number, because the mean of its divisors is an integer number (3830400).

Almost surely, 250042155 is an apocalyptic number.

50042155 is a deficient number, since it is larger than the sum of its proper divisors (11244245).

50042155 is a wasteful number, since it uses less digits than its factorization.

50042155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 50042155 is about 7074.0479924863. The cubic root of 50042155 is about 368.5066543465.

The spelling of 50042155 in words is "fifty million, forty-two thousand, one hundred fifty-five".

Divisors: 1 5 79 151 395 755 839 4195 11929 59645 66281 126689 331405 633445 10008431 50042155