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501313457 = 2251222707
BaseRepresentation
bin11101111000010…
…110111110110001
31021221022100210002
4131320112332301
52011314012312
6121424515345
715265044161
oct3570267661
91257270702
10501313457
11237a84247
1211ba7bb55
137cb24ba8
144a8185a1
152e0274c2
hex1de16fb1

501313457 has 4 divisors (see below), whose sum is σ = 501538416. Its totient is φ = 501088500.

The previous prime is 501313453. The next prime is 501313471. The reversal of 501313457 is 754313105.

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 501313457 - 22 = 501313453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501313453) 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, 109103 + ... + 113604.

It is an arithmetic number, because the mean of its divisors is an integer number (125384604).

Almost surely, 2501313457 is an apocalyptic number.

It is an amenable number.

501313457 is a deficient number, since it is larger than the sum of its proper divisors (224959).

501313457 is a wasteful number, since it uses less digits than its factorization.

501313457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224958.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 501313457 is about 22390.0303036865. The cubic root of 501313457 is about 794.3949126484.

The spelling of 501313457 in words is "five hundred one million, three hundred thirteen thousand, four hundred fifty-seven".

Divisors: 1 2251 222707 501313457