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50140131 = 316713377
BaseRepresentation
bin1011111101000…
…1001111100011
310111100101022220
42333101033203
5100313441011
64550402123
71146120066
oct277211743
9114311286
1050140131
1126337028
1214960343
13a507122
1469328dd
154606506
hex2fd13e3

50140131 has 4 divisors (see below), whose sum is σ = 66853512. Its totient is φ = 33426752.

The previous prime is 50140121. The next prime is 50140151. The reversal of 50140131 is 13104105.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50140131 - 25 = 50140099 is a prime.

It is a super-2 number, since 2×501401312 = 5028065473394322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50140131.

It is not an unprimeable number, because it can be changed into a prime (50140121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8356686 + ... + 8356691.

It is an arithmetic number, because the mean of its divisors is an integer number (16713378).

Almost surely, 250140131 is an apocalyptic number.

50140131 is a deficient number, since it is larger than the sum of its proper divisors (16713381).

50140131 is a wasteful number, since it uses less digits than its factorization.

50140131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16713380.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 50140131 is about 7080.9696369918. The cubic root of 50140131 is about 368.7469935214.

Adding to 50140131 its reverse (13104105), we get a palindrome (63244236).

The spelling of 50140131 in words is "fifty million, one hundred forty thousand, one hundred thirty-one".

Divisors: 1 3 16713377 50140131