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514304857 = 1146754987
BaseRepresentation
bin11110101001111…
…010101101011001
31022211202101122001
4132221322231121
52023130223412
6123011201001
715513343033
oct3651725531
91284671561
10514304857
11244347940
121242a6161
1382723201
144c43ac53
1530241957
hex1ea7ab59

514304857 has 4 divisors (see below), whose sum is σ = 561059856. Its totient is φ = 467549860.

The previous prime is 514304851. The next prime is 514304873. The reversal of 514304857 is 758403415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 514304857 - 27 = 514304729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (514304851) 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, 23377483 + ... + 23377504.

It is an arithmetic number, because the mean of its divisors is an integer number (140264964).

Almost surely, 2514304857 is an apocalyptic number.

It is an amenable number.

514304857 is a deficient number, since it is larger than the sum of its proper divisors (46754999).

514304857 is a wasteful number, since it uses less digits than its factorization.

514304857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46754998.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 514304857 is about 22678.2904338047. The cubic root of 514304857 is about 801.1986495064.

It can be divided in two parts, 514 and 304857, that added together give a triangular number (305371 = T781).

The spelling of 514304857 in words is "five hundred fourteen million, three hundred four thousand, eight hundred fifty-seven".

Divisors: 1 11 46754987 514304857