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50706397 = 77243771
BaseRepresentation
bin1100000101101…
…1011111011101
310112102011002201
43001123133131
5100440101042
65010451501
71153666030
oct301333735
9115364081
1050706397
1126693515
1214b93b91
13a674ab1
146a3d017
1546b91b7
hex305b7dd

50706397 has 4 divisors (see below), whose sum is σ = 57950176. Its totient is φ = 43462620.

The previous prime is 50706389. The next prime is 50706431. The reversal of 50706397 is 79360705.

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 50706397 - 23 = 50706389 is a prime.

It is a super-2 number, since 2×507063972 = 5142277393443218, 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 (50706197) 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, 3621879 + ... + 3621892.

It is an arithmetic number, because the mean of its divisors is an integer number (14487544).

Almost surely, 250706397 is an apocalyptic number.

It is an amenable number.

50706397 is a deficient number, since it is larger than the sum of its proper divisors (7243779).

50706397 is an equidigital number, since it uses as much as digits as its factorization.

50706397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7243778.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 50706397 is about 7120.8424361167. The cubic root of 50706397 is about 370.1299689500.

The spelling of 50706397 in words is "fifty million, seven hundred six thousand, three hundred ninety-seven".

Divisors: 1 7 7243771 50706397