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50198961 = 347734877
BaseRepresentation
bin1011111101111…
…1100110110001
310111110101000210
42333133212301
5100322331321
64551534333
71146453441
oct277374661
9114411023
1050198961
112637724a
121498a3a9
13a527b37
14694a121
154618b76
hex2fdf9b1

50198961 has 16 divisors (see below), whose sum is σ = 69306624. Its totient is φ = 32298624.

The previous prime is 50198959. The next prime is 50198983. The reversal of 50198961 is 16989105.

It is not a de Polignac number, because 50198961 - 21 = 50198959 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50198461) 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, 7855 + ... + 12731.

It is an arithmetic number, because the mean of its divisors is an integer number (4331664).

Almost surely, 250198961 is an apocalyptic number.

It is an amenable number.

50198961 is a deficient number, since it is larger than the sum of its proper divisors (19107663).

50198961 is a wasteful number, since it uses less digits than its factorization.

50198961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000.

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 50198961 is about 7085.1225112908. The cubic root of 50198961 is about 368.8911555353.

The spelling of 50198961 in words is "fifty million, one hundred ninety-eight thousand, nine hundred sixty-one".

Divisors: 1 3 47 73 141 219 3431 4877 10293 14631 229219 356021 687657 1068063 16732987 50198961