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50525431 = 114593221
BaseRepresentation
bin1100000010111…
…1010011110111
310112001221212021
43000233103313
5100413303211
65002534011
71152313315
oct300572367
9115057767
1050525431
112657a560
1214b07307
13a610608
1469d30b5
154680771
hex302f4f7

50525431 has 4 divisors (see below), whose sum is σ = 55118664. Its totient is φ = 45932200.

The previous prime is 50525413. The next prime is 50525491. The reversal of 50525431 is 13452505.

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 50525431 - 29 = 50524919 is a prime.

It is a super-2 number, since 2×505254312 = 5105638355471522, 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 = 50525396 and 50525405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50525491) 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, 2296600 + ... + 2296621.

It is an arithmetic number, because the mean of its divisors is an integer number (13779666).

Almost surely, 250525431 is an apocalyptic number.

50525431 is a deficient number, since it is larger than the sum of its proper divisors (4593233).

50525431 is a wasteful number, since it uses less digits than its factorization.

50525431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593232.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 50525431 is about 7108.1242954805. The cubic root of 50525431 is about 369.6891252891.

Adding to 50525431 its reverse (13452505), we get a palindrome (63977936).

The spelling of 50525431 in words is "fifty million, five hundred twenty-five thousand, four hundred thirty-one".

Divisors: 1 11 4593221 50525431