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50379281 is a prime number
BaseRepresentation
bin1100000000101…
…1101000010001
310111210112101022
43000023220101
5100344114111
64555445225
71151134241
oct300135021
9114715338
1050379281
112648a777
1214a56815
13a58bc34
146995b21
1546522db
hex300ba11

50379281 has 2 divisors, whose sum is σ = 50379282. Its totient is φ = 50379280.

The previous prime is 50379233. The next prime is 50379319. The reversal of 50379281 is 18297305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46036225 + 4343056 = 6785^2 + 2084^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50379281 is a prime.

It is a super-2 number, since 2×503792812 = 5076143908153922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50379221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25189640 + 25189641.

It is an arithmetic number, because the mean of its divisors is an integer number (25189641).

Almost surely, 250379281 is an apocalyptic number.

It is an amenable number.

50379281 is a deficient number, since it is larger than the sum of its proper divisors (1).

50379281 is an equidigital number, since it uses as much as digits as its factorization.

50379281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 50379281 is about 7097.8363604693. The cubic root of 50379281 is about 369.3323264500.

The spelling of 50379281 in words is "fifty million, three hundred seventy-nine thousand, two hundred eighty-one".