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50899121 = 7133131787
BaseRepresentation
bin1100001000101…
…0100010110001
310112202221110122
43002022202301
5101012232441
65014540025
71155430640
oct302124261
9115687418
1050899121
1126805299
1215067615
13a711730
146a8d357
15470634b
hex308a8b1

50899121 has 16 divisors (see below), whose sum is σ = 62880384. Its totient is φ = 40120704.

The previous prime is 50899111. The next prime is 50899127. The reversal of 50899121 is 12199805.

It is not a de Polignac number, because 50899121 - 214 = 50882737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50899127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27590 + ... + 29376.

It is an arithmetic number, because the mean of its divisors is an integer number (3930024).

Almost surely, 250899121 is an apocalyptic number.

It is an amenable number.

50899121 is a deficient number, since it is larger than the sum of its proper divisors (11981263).

50899121 is a wasteful number, since it uses less digits than its factorization.

50899121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 50899121 is about 7134.3619896947. The cubic root of 50899121 is about 370.5983039731.

The spelling of 50899121 in words is "fifty million, eight hundred ninety-nine thousand, one hundred twenty-one".

Divisors: 1 7 13 91 313 1787 2191 4069 12509 23231 28483 162617 559331 3915317 7271303 50899121