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512083427 = 4243120689
BaseRepresentation
bin11110100001011…
…100010111100011
31022200120112101212
4132201130113203
52022043132202
6122451420335
715455431412
oct3641342743
91280515355
10512083427
1124306a949
121235b46ab
138212605b
144c01d479
152ee53652
hex1e85c5e3

512083427 has 4 divisors (see below), whose sum is σ = 512208360. Its totient is φ = 511958496.

The previous prime is 512083409. The next prime is 512083447. The reversal of 512083427 is 724380215.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 512083427 - 212 = 512079331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 512083393 and 512083402.

It is not an unprimeable number, because it can be changed into a prime (512083447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56102 + ... + 64587.

It is an arithmetic number, because the mean of its divisors is an integer number (128052090).

Almost surely, 2512083427 is an apocalyptic number.

512083427 is a deficient number, since it is larger than the sum of its proper divisors (124933).

512083427 is a wasteful number, since it uses less digits than its factorization.

512083427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124932.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 512083427 is about 22629.2604165492. The cubic root of 512083427 is about 800.0434492027.

The spelling of 512083427 in words is "five hundred twelve million, eighty-three thousand, four hundred twenty-seven".

Divisors: 1 4243 120689 512083427