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512465223 = 3811210631
BaseRepresentation
bin11110100010111…
…001100101000111
31022201021221010110
4132202321211013
52022142341343
6122503524103
715461611464
oct3642714507
91281257113
10512465223
11243300786
12123759633
138222aa7a
144c0bc66b
152eecb833
hex1e8b9947

512465223 has 8 divisors (see below), whose sum is σ = 684132736. Its totient is φ = 341220600.

The previous prime is 512465189. The next prime is 512465227. The reversal of 512465223 is 322564215.

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

It is not a de Polignac number, because 512465223 - 213 = 512457031 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 (512465227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102883 + ... + 107748.

It is an arithmetic number, because the mean of its divisors is an integer number (85516592).

Almost surely, 2512465223 is an apocalyptic number.

512465223 is a deficient number, since it is larger than the sum of its proper divisors (171667513).

512465223 is a wasteful number, since it uses less digits than its factorization.

512465223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211445.

The product of its digits is 14400, while the sum is 30.

The square root of 512465223 is about 22637.6947368764. The cubic root of 512465223 is about 800.2422302940.

The spelling of 512465223 in words is "five hundred twelve million, four hundred sixty-five thousand, two hundred twenty-three".

Divisors: 1 3 811 2433 210631 631893 170821741 512465223