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50746457 = 167303871
BaseRepresentation
bin1100000110010…
…1010001011001
310112111012001102
43001211101121
5100442341312
65011401145
71154223566
oct301452131
9115435042
1050746457
1126710623
1214bb31b5
13a68a0b8
146a4d86d
1546c5ec2
hex3065459

50746457 has 4 divisors (see below), whose sum is σ = 51050496. Its totient is φ = 50442420.

The previous prime is 50746453. The next prime is 50746459. The reversal of 50746457 is 75464705.

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, and also an emirpimes, since its reverse is a distinct semiprime: 75464705 = 515092941.

It is a cyclic number.

It is not a de Polignac number, because 50746457 - 22 = 50746453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50746457.

It is not an unprimeable number, because it can be changed into a prime (50746453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151769 + ... + 152102.

It is an arithmetic number, because the mean of its divisors is an integer number (12762624).

Almost surely, 250746457 is an apocalyptic number.

It is an amenable number.

50746457 is a deficient number, since it is larger than the sum of its proper divisors (304039).

50746457 is a wasteful number, since it uses less digits than its factorization.

50746457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304038.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 50746457 is about 7123.6547501967. The cubic root of 50746457 is about 370.2274155866.

It can be divided in two parts, 507 and 46457, that added together give a palindrome (46964).

The spelling of 50746457 in words is "fifty million, seven hundred forty-six thousand, four hundred fifty-seven".

Divisors: 1 167 303871 50746457