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50840831 = 593372557
BaseRepresentation
bin1100000111110…
…0010011111111
310112122222111202
43001330103333
5101003401311
65013410115
71155065666
oct301742377
9115588452
1050840831
1126775518
121503993b
13a6c1042
146a75ddd
1546e3e3b
hex307c4ff

50840831 has 8 divisors (see below), whose sum is σ = 51876240. Its totient is φ = 49811328.

The previous prime is 50840819. The next prime is 50840843. The reversal of 50840831 is 13804805.

It is an interprime number because it is at equal distance from previous prime (50840819) and next prime (50840843).

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 50840831 - 214 = 50824447 is a prime.

It is a super-2 number, since 2×508408312 = 5169580193541122, 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 = 50840794 and 50840803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50840851) 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, 18605 + ... + 21161.

It is an arithmetic number, because the mean of its divisors is an integer number (6484530).

Almost surely, 250840831 is an apocalyptic number.

50840831 is a deficient number, since it is larger than the sum of its proper divisors (1035409).

50840831 is a wasteful number, since it uses less digits than its factorization.

50840831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 50840831 is about 7130.2756608703. The cubic root of 50840831 is about 370.4567794157.

The spelling of 50840831 in words is "fifty million, eight hundred forty thousand, eight hundred thirty-one".

Divisors: 1 59 337 2557 19883 150863 861709 50840831