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514209307 = 3116587397
BaseRepresentation
bin11110101001100…
…011011000011011
31022211120112120011
4132221203120123
52023114144212
6123005142351
715512464333
oct3651433033
91284515504
10514209307
11244292077
1212425a9b7
13826bb881
144c4140c3
15302234a7
hex1ea6361b

514209307 has 4 divisors (see below), whose sum is σ = 530796736. Its totient is φ = 497621880.

The previous prime is 514209287. The next prime is 514209317. The reversal of 514209307 is 703902415.

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 514209307 - 211 = 514207259 is a prime.

It is a super-2 number, since 2×5142093072 = 528822422810840498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 16587397 = 514209307 / (5 + 1 + 4 + 2 + 0 + 9 + 3 + 0 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (514209317) 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, 8293668 + ... + 8293729.

It is an arithmetic number, because the mean of its divisors is an integer number (132699184).

Almost surely, 2514209307 is an apocalyptic number.

514209307 is a deficient number, since it is larger than the sum of its proper divisors (16587429).

514209307 is a wasteful number, since it uses less digits than its factorization.

514209307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16587428.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 514209307 is about 22676.1836956751. The cubic root of 514209307 is about 801.1490296028.

The spelling of 514209307 in words is "five hundred fourteen million, two hundred nine thousand, three hundred seven".

Divisors: 1 31 16587397 514209307