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513214909 = 1971380441
BaseRepresentation
bin11110100101110…
…000100110111101
31022202201000111121
4132211300212331
52022340334114
6122531550541
715501153244
oct3645604675
91282630447
10513214909
11243772a59
12123a5b451
138243107c
144c23595b
15300c8a24
hex1e9709bd

513214909 has 8 divisors (see below), whose sum is σ = 547836480. Its totient is φ = 479354400.

The previous prime is 513214883. The next prime is 513214957. The reversal of 513214909 is 909412315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 513214909 - 29 = 513214397 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 (513214969) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 188872 + ... + 191569.

It is an arithmetic number, because the mean of its divisors is an integer number (68479560).

Almost surely, 2513214909 is an apocalyptic number.

It is an amenable number.

513214909 is a deficient number, since it is larger than the sum of its proper divisors (34621571).

513214909 is a wasteful number, since it uses less digits than its factorization.

513214909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380531.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 513214909 is about 22654.2470411179. The cubic root of 513214909 is about 800.6322652733.

The spelling of 513214909 in words is "five hundred thirteen million, two hundred fourteen thousand, nine hundred nine".

Divisors: 1 19 71 1349 380441 7228379 27011311 513214909