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512113457 = 1747640943
BaseRepresentation
bin11110100001100…
…011101100110001
31022200122001121002
4132201203230301
52022100112312
6122452211345
715455615102
oct3641435461
91280561532
10512113457
11243090469
12123609b55
138213691b
144c02a3a9
152ee5c4c2
hex1e863b31

512113457 has 8 divisors (see below), whose sum is σ = 553775616. Its totient is φ = 471733312.

The previous prime is 512113439. The next prime is 512113463. The reversal of 512113457 is 754311215.

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 512113457 - 212 = 512109361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512113417) 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, 319673 + ... + 321270.

It is an arithmetic number, because the mean of its divisors is an integer number (69221952).

Almost surely, 2512113457 is an apocalyptic number.

It is an amenable number.

512113457 is a deficient number, since it is larger than the sum of its proper divisors (41662159).

512113457 is a wasteful number, since it uses less digits than its factorization.

512113457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641007.

The product of its digits is 4200, while the sum is 29.

The square root of 512113457 is about 22629.9239282858. The cubic root of 512113457 is about 800.0590878232.

The spelling of 512113457 in words is "five hundred twelve million, one hundred thirteen thousand, four hundred fifty-seven".

Divisors: 1 17 47 799 640943 10896031 30124321 512113457