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50463881 = 133881837
BaseRepresentation
bin1100000010000…
…0010010001001
310111221211102122
43000200102021
5100404321011
65001341025
71151636006
oct300402211
9114854378
1050463881
1126538296
1214a97775
13a5bb5b0
1469b88ad
15466c3db
hex3020489

50463881 has 4 divisors (see below), whose sum is σ = 54345732. Its totient is φ = 46582032.

The previous prime is 50463869. The next prime is 50463883. The reversal of 50463881 is 18836405.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22278400 + 28185481 = 4720^2 + 5309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50463881 is a prime.

It is a super-2 number, since 2×504638812 = 5093206571164322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50463883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1940906 + ... + 1940931.

It is an arithmetic number, because the mean of its divisors is an integer number (13586433).

Almost surely, 250463881 is an apocalyptic number.

It is an amenable number.

50463881 is a deficient number, since it is larger than the sum of its proper divisors (3881851).

50463881 is a wasteful number, since it uses less digits than its factorization.

50463881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3881850.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 50463881 is about 7103.7934232352. The cubic root of 50463881 is about 369.5389460543.

The spelling of 50463881 in words is "fifty million, four hundred sixty-three thousand, eight hundred eighty-one".

Divisors: 1 13 3881837 50463881