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513000505 = 5978271279
BaseRepresentation
bin11110100100111…
…100010000111001
31022202022010101201
4132210330100321
52022312004010
6122523214201
715466301203
oct3644742071
91282263351
10513000505
11243636966
12123977361
13823875c4
144c1bb773
153008523a
hex1e93c439

513000505 has 16 divisors (see below), whose sum is σ = 623185920. Its totient is φ = 405361152.

The previous prime is 513000497. The next prime is 513000511. The reversal of 513000505 is 505000315.

It is a cyclic number.

It is not a de Polignac number, because 513000505 - 23 = 513000497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400456 + ... + 401734.

It is an arithmetic number, because the mean of its divisors is an integer number (38949120).

Almost surely, 2513000505 is an apocalyptic number.

It is an amenable number.

513000505 is a deficient number, since it is larger than the sum of its proper divisors (110185415).

513000505 is a wasteful number, since it uses less digits than its factorization.

513000505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208.

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 513000505 is about 22649.5144539568. The cubic root of 513000505 is about 800.5207572954.

The spelling of 513000505 in words is "five hundred thirteen million, five hundred five", and thus it is an aban number.

Divisors: 1 5 97 485 827 1279 4135 6395 80219 124063 401095 620315 1057733 5288665 102600101 513000505