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50677969 = 172981057
BaseRepresentation
bin1100000101010…
…0100011010001
310112100201002211
43001110203101
5100433143334
65010112121
71153520116
oct301244321
9115321084
1050677969
1126674121
1214b7b641
13a664b84
146a3290d
1546b0a64
hex30548d1

50677969 has 4 divisors (see below), whose sum is σ = 53659044. Its totient is φ = 47696896.

The previous prime is 50677961. The next prime is 50677999. The reversal of 50677969 is 96977605.

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 24800400 + 25877569 = 4980^2 + 5087^2 .

It is a cyclic number.

It is not a de Polignac number, because 50677969 - 23 = 50677961 is a prime.

It is a super-2 number, since 2×506779692 = 5136513083929922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50677961) 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, 1490512 + ... + 1490545.

It is an arithmetic number, because the mean of its divisors is an integer number (13414761).

Almost surely, 250677969 is an apocalyptic number.

It is an amenable number.

50677969 is a deficient number, since it is larger than the sum of its proper divisors (2981075).

50677969 is a wasteful number, since it uses less digits than its factorization.

50677969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981074.

The product of its (nonzero) digits is 714420, while the sum is 49.

The square root of 50677969 is about 7118.8460441282. The cubic root of 50677969 is about 370.0607862147.

The spelling of 50677969 in words is "fifty million, six hundred seventy-seven thousand, nine hundred sixty-nine".

Divisors: 1 17 2981057 50677969