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517072120 = 23512926803
BaseRepresentation
bin11110110100011…
…110010011111000
31100000221222121021
4132310132103320
52024332301440
6123150352224
715546016615
oct3664362370
91300858537
10517072120
11245967a34
121251bb674
1383181946
144c95b50c
15305db84a
hex1ed1e4f8

517072120 has 16 divisors (see below), whose sum is σ = 1163412360. Its totient is φ = 206828832.

The previous prime is 517072097. The next prime is 517072139. The reversal of 517072120 is 21270715.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6463362 + ... + 6463441.

Almost surely, 2517072120 is an apocalyptic number.

It is an amenable number.

517072120 is an abundant number, since it is smaller than the sum of its proper divisors (646340240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

517072120 is a wasteful number, since it uses less digits than its factorization.

517072120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12926814 (or 12926810 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 517072120 is about 22739.2198634870. The cubic root of 517072120 is about 802.6330534459.

The spelling of 517072120 in words is "five hundred seventeen million, seventy-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 12926803 25853606 51707212 64634015 103414424 129268030 258536060 517072120