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50814869 = 77259267
BaseRepresentation
bin1100000111010…
…1111110010101
310112121122220012
43001311332111
5101002033434
65013050005
71154630210
oct301657625
9115548805
1050814869
1126757a66
1215026905
13a6b2291
146a6a777
1546db3ce
hex3075f95

50814869 has 4 divisors (see below), whose sum is σ = 58074144. Its totient is φ = 43555596.

The previous prime is 50814851. The next prime is 50814893. The reversal of 50814869 is 96841805.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2k-50814869 is a prime.

It is a super-2 number, since 2×508148692 = 5164301822974322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50814839) 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, 3629627 + ... + 3629640.

It is an arithmetic number, because the mean of its divisors is an integer number (14518536).

Almost surely, 250814869 is an apocalyptic number.

It is an amenable number.

50814869 is a deficient number, since it is larger than the sum of its proper divisors (7259275).

50814869 is an equidigital number, since it uses as much as digits as its factorization.

50814869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7259274.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 50814869 is about 7128.4548816697. The cubic root of 50814869 is about 370.3937104460.

The spelling of 50814869 in words is "fifty million, eight hundred fourteen thousand, eight hundred sixty-nine".

Divisors: 1 7 7259267 50814869