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50740909 = 67757327
BaseRepresentation
bin1100000110001…
…1111010101101
310112110220102221
43001203322231
5100442202114
65011315341
71154201452
oct301437255
9115426387
1050740909
112670743a
1214babb51
13a68770b
146a4b829
1546c4524
hex3063ead

50740909 has 4 divisors (see below), whose sum is σ = 51498304. Its totient is φ = 49983516.

The previous prime is 50740897. The next prime is 50740933. The reversal of 50740909 is 90904705.

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 not a de Polignac number, because 50740909 - 217 = 50609837 is a prime.

It is a super-2 number, since 2×507409092 = 5149279692292562, 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 (50740939) 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, 378597 + ... + 378730.

It is an arithmetic number, because the mean of its divisors is an integer number (12874576).

Almost surely, 250740909 is an apocalyptic number.

It is an amenable number.

50740909 is a deficient number, since it is larger than the sum of its proper divisors (757395).

50740909 is an equidigital number, since it uses as much as digits as its factorization.

50740909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757394.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 50740909 is about 7123.2653326968. The cubic root of 50740909 is about 370.2139230416.

The spelling of 50740909 in words is "fifty million, seven hundred forty thousand, nine hundred nine".

Divisors: 1 67 757327 50740909