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514131507 = 32192158243
BaseRepresentation
bin11110101001010…
…000011000110011
31022211102120211200
4132221100120303
52023104202012
6123003342243
715512021451
oct3651203063
91284376750
10514131507
1124423967a
12124221983
1382692336
144c3d39d1
153020a3dc
hex1ea50633

514131507 has 18 divisors (see below), whose sum is σ = 783782532. Its totient is φ = 324712584.

The previous prime is 514131479. The next prime is 514131523. The reversal of 514131507 is 705131415.

It is not a de Polignac number, because 514131507 - 211 = 514129459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (514131547) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 75873 + ... + 82370.

It is an arithmetic number, because the mean of its divisors is an integer number (43543474).

Almost surely, 2514131507 is an apocalyptic number.

514131507 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

514131507 is a deficient number, since it is larger than the sum of its proper divisors (269651025).

514131507 is a wasteful number, since it uses less digits than its factorization.

514131507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158287 (or 158265 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 514131507 is about 22674.4681745791. The cubic root of 514131507 is about 801.1086228803.

The spelling of 514131507 in words is "five hundred fourteen million, one hundred thirty-one thousand, five hundred seven".

Divisors: 1 3 9 19 57 171 361 1083 3249 158243 474729 1424187 3006617 9019851 27059553 57125723 171377169 514131507