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50864431 = 235937483
BaseRepresentation
bin1100001000001…
…0000100101111
310112201011212211
43002002010233
5101010130211
65014111251
71155224542
oct302020457
9115634784
1050864431
1126791222
121504b527
13a6cb9c7
146a80859
1546eae21
hex308212f

50864431 has 8 divisors (see below), whose sum is σ = 53976960. Its totient is φ = 47827032.

The previous prime is 50864419. The next prime is 50864441. The reversal of 50864431 is 13446805.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50864431 - 29 = 50863919 is a prime.

It is a super-2 number, since 2×508644312 = 5174380681907522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50864393 and 50864402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50864441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17385 + ... + 20098.

It is an arithmetic number, because the mean of its divisors is an integer number (6747120).

Almost surely, 250864431 is an apocalyptic number.

50864431 is a deficient number, since it is larger than the sum of its proper divisors (3112529).

50864431 is a wasteful number, since it uses less digits than its factorization.

50864431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37565.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 50864431 is about 7131.9303838442. The cubic root of 50864431 is about 370.5140917989.

The spelling of 50864431 in words is "fifty million, eight hundred sixty-four thousand, four hundred thirty-one".

Divisors: 1 23 59 1357 37483 862109 2211497 50864431