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50311361 = 115143711
BaseRepresentation
bin1011111111101…
…1000011000001
310111200002012202
42333323003001
5100334430421
64554202545
71150432232
oct277730301
9114602182
1050311361
1126443741
1214a23455
13a567049
146979089
15463c10b
hex2ffb0c1

50311361 has 4 divisors (see below), whose sum is σ = 50356224. Its totient is φ = 50266500.

The previous prime is 50311343. The next prime is 50311409. The reversal of 50311361 is 16311305.

It is a happy number.

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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50311361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50311301) 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, 20705 + ... + 23006.

It is an arithmetic number, because the mean of its divisors is an integer number (12589056).

Almost surely, 250311361 is an apocalyptic number.

It is an amenable number.

50311361 is a deficient number, since it is larger than the sum of its proper divisors (44863).

50311361 is a wasteful number, since it uses less digits than its factorization.

50311361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44862.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 50311361 is about 7093.0501901509. The cubic root of 50311361 is about 369.1662771498.

Adding to 50311361 its reverse (16311305), we get a palindrome (66622666).

The spelling of 50311361 in words is "fifty million, three hundred eleven thousand, three hundred sixty-one".

Divisors: 1 1151 43711 50311361