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517145075 = 52166712409
BaseRepresentation
bin11110110100110…
…000000111110011
31100001002200200022
4132310300013303
52024342120300
6123152114055
715546442406
oct3664600763
91301080608
10517145075
11245a07827
1212523592b
13831a8c05
144c979d3d
1530603285
hex1ed301f3

517145075 has 12 divisors (see below), whose sum is σ = 641696280. Its totient is φ = 413434560.

The previous prime is 517145071. The next prime is 517145077. The reversal of 517145075 is 570541715.

It is not a de Polignac number, because 517145075 - 22 = 517145071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (517145071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35471 + ... + 47879.

It is an arithmetic number, because the mean of its divisors is an integer number (53474690).

Almost surely, 2517145075 is an apocalyptic number.

517145075 is a deficient number, since it is larger than the sum of its proper divisors (124551205).

517145075 is a wasteful number, since it uses less digits than its factorization.

517145075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14086 (or 14081 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 35.

The square root of 517145075 is about 22740.8239736382. The cubic root of 517145075 is about 802.6708001730.

The spelling of 517145075 in words is "five hundred seventeen million, one hundred forty-five thousand, seventy-five".

Divisors: 1 5 25 1667 8335 12409 41675 62045 310225 20685803 103429015 517145075