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512212914 = 23244963377
BaseRepresentation
bin11110100001111…
…011111110110010
31022200211010000200
4132201323332302
52022111303124
6122454300030
715456511053
oct3641737662
91280733020
10512212914
11243149164
12123657616
138216cc85
144c05472a
152ee7bbc9
hex1e87bfb2

512212914 has 24 divisors (see below), whose sum is σ = 1112283900. Its totient is φ = 170354688.

The previous prime is 512212903. The next prime is 512212927. The reversal of 512212914 is 419212215.

It can be written as a sum of positive squares in 2 ways, for example, as 478165689 + 34047225 = 21867^2 + 5835^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23607 + ... + 39770.

Almost surely, 2512212914 is an apocalyptic number.

512212914 is an abundant number, since it is smaller than the sum of its proper divisors (600070986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

512212914 is a wasteful number, since it uses less digits than its factorization.

512212914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63834 (or 63831 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 512212914 is about 22632.1212881161. The cubic root of 512212914 is about 800.1108773404.

The spelling of 512212914 in words is "five hundred twelve million, two hundred twelve thousand, nine hundred fourteen".

Divisors: 1 2 3 6 9 18 449 898 1347 2694 4041 8082 63377 126754 190131 380262 570393 1140786 28456273 56912546 85368819 170737638 256106457 512212914