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50858109 = 3215735993
BaseRepresentation
bin1100001000000…
…0100001111101
310112200212012200
43002000201331
5101004424414
65014022113
71155200241
oct302004175
9115625180
1050858109
11267874a5
1215047939
13a6c8b73
146a7c421
1546e9109
hex308087d

50858109 has 12 divisors (see below), whose sum is σ = 73931676. Its totient is φ = 33688512.

The previous prime is 50858069. The next prime is 50858113. The reversal of 50858109 is 90185805.

It can be written as a sum of positive squares in 2 ways, for example, as 31304025 + 19554084 = 5595^2 + 4422^2 .

It is not a de Polignac number, because 50858109 - 223 = 42469501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50858149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16584 + ... + 19409.

It is an arithmetic number, because the mean of its divisors is an integer number (6160973).

Almost surely, 250858109 is an apocalyptic number.

It is an amenable number.

50858109 is a deficient number, since it is larger than the sum of its proper divisors (23073567).

50858109 is a wasteful number, since it uses less digits than its factorization.

50858109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36156 (or 36153 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The square root of 50858109 is about 7131.4871520602. The cubic root of 50858109 is about 370.4987406187.

The spelling of 50858109 in words is "fifty million, eight hundred fifty-eight thousand, one hundred nine".

Divisors: 1 3 9 157 471 1413 35993 107979 323937 5650901 16952703 50858109