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52005019 = 1159227353
BaseRepresentation
bin1100011001100…
…0100010011011
310121212010110211
43012120202123
5101303130034
65054351551
71201015063
oct306304233
9117763424
1052005019
11273a0160
12154bb5b7
13aa0ac01
146c9a3a3
154873d64
hex319889b

52005019 has 16 divisors (see below), whose sum is σ = 58112640. Its totient is φ = 46140160.

The previous prime is 52005013. The next prime is 52005029. The reversal of 52005019 is 91050025.

It is not a de Polignac number, because 52005019 - 29 = 52004507 is a prime.

It is a super-2 number, since 2×520050192 = 5409044002380722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52005013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147147 + ... + 147499.

It is an arithmetic number, because the mean of its divisors is an integer number (3632040).

Almost surely, 252005019 is an apocalyptic number.

52005019 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

52005019 is a deficient number, since it is larger than the sum of its proper divisors (6107621).

52005019 is a wasteful number, since it uses less digits than its factorization.

52005019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 52005019 is about 7211.4505475667. The cubic root of 52005019 is about 373.2631239322.

The spelling of 52005019 in words is "fifty-two million, five thousand, nineteen".

Divisors: 1 11 59 227 353 649 2497 3883 13393 20827 80131 147323 229097 881441 4727729 52005019