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519320053 = 774188579
BaseRepresentation
bin11110111101000…
…011000111110101
31100012012012012001
4132331003013311
52030421220203
6123310455301
715604101430
oct3675030765
91305165161
10519320053
1124716292a
12125b04531
138378ab95
144cd84817
15308d291d
hex1ef431f5

519320053 has 4 divisors (see below), whose sum is σ = 593508640. Its totient is φ = 445131468.

The previous prime is 519319963. The next prime is 519320071. The reversal of 519320053 is 350023915.

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: 350023915 = 570004783.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-519320053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (519320093) 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, 37094283 + ... + 37094296.

It is an arithmetic number, because the mean of its divisors is an integer number (148377160).

Almost surely, 2519320053 is an apocalyptic number.

It is an amenable number.

519320053 is a deficient number, since it is larger than the sum of its proper divisors (74188587).

519320053 is an equidigital number, since it uses as much as digits as its factorization.

519320053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74188586.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 519320053 is about 22788.5948009086. The cubic root of 519320053 is about 803.7945013483.

Adding to 519320053 its reverse (350023915), we get a palindrome (869343968).

The spelling of 519320053 in words is "five hundred nineteen million, three hundred twenty thousand, fifty-three".

Divisors: 1 7 74188579 519320053