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50457769 is a prime number
BaseRepresentation
bin1100000001111…
…0110010101001
310111221112001021
43000132302221
5100404122034
65001252441
71151612125
oct300366251
9114845037
1050457769
112653373a
1214a94121
13a5b888b
1469b6585
15466a6b4
hex301eca9

50457769 has 2 divisors, whose sum is σ = 50457770. Its totient is φ = 50457768.

The previous prime is 50457763. The next prime is 50457793. The reversal of 50457769 is 96775405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48832144 + 1625625 = 6988^2 + 1275^2 .

It is a cyclic number.

It is not a de Polignac number, because 50457769 - 223 = 42069161 is a prime.

It is a super-2 number, since 2×504577692 = 5091972904914722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50457763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25228884 + 25228885.

It is an arithmetic number, because the mean of its divisors is an integer number (25228885).

Almost surely, 250457769 is an apocalyptic number.

It is an amenable number.

50457769 is a deficient number, since it is larger than the sum of its proper divisors (1).

50457769 is an equidigital number, since it uses as much as digits as its factorization.

50457769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 43.

The square root of 50457769 is about 7103.3632175189. The cubic root of 50457769 is about 369.5240263851.

The spelling of 50457769 in words is "fifty million, four hundred fifty-seven thousand, seven hundred sixty-nine".