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514302231 = 3433986839
BaseRepresentation
bin11110101001111…
…010000100010111
31022211202021000210
4132221322010113
52023130132411
6123011140503
715513332262
oct3651720427
91284667023
10514302231
11244345973
121242a4733
1382721c61
144c439cd9
1530240ca6
hex1ea7a117

514302231 has 8 divisors (see below), whose sum is σ = 701683840. Its totient is φ = 334894392.

The previous prime is 514302227. The next prime is 514302259. The reversal of 514302231 is 132203415.

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

It is not a de Polignac number, because 514302231 - 22 = 514302227 is a prime.

It is a super-2 number, since 2×5143022312 = 529013569623154722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 514302198 and 514302207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514302281) 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, 1993291 + ... + 1993548.

It is an arithmetic number, because the mean of its divisors is an integer number (87710480).

Almost surely, 2514302231 is an apocalyptic number.

514302231 is a deficient number, since it is larger than the sum of its proper divisors (187381609).

514302231 is a wasteful number, since it uses less digits than its factorization.

514302231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3986885.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 514302231 is about 22678.2325369505. The cubic root of 514302231 is about 801.1972858851.

Adding to 514302231 its reverse (132203415), we get a palindrome (646505646).

The spelling of 514302231 in words is "five hundred fourteen million, three hundred two thousand, two hundred thirty-one".

Divisors: 1 3 43 129 3986839 11960517 171434077 514302231