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512985966 = 23611401601
BaseRepresentation
bin11110100100111…
…000101101101110
31022202021101110020
4132210320231232
52022311022331
6122523023010
715466210623
oct3644705556
91282241406
10512985966
11243626a49
1212396aa66
1382380abc
144c1b634a
1530080c96
hex1e938b6e

512985966 has 16 divisors (see below), whose sum is σ = 1042791888. Its totient is φ = 168192000.

The previous prime is 512985961. The next prime is 512985989. The reversal of 512985966 is 669589215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512985961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700435 + ... + 701166.

It is an arithmetic number, because the mean of its divisors is an integer number (65174493).

Almost surely, 2512985966 is an apocalyptic number.

512985966 is an abundant number, since it is smaller than the sum of its proper divisors (529805922).

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

512985966 is a wasteful number, since it uses less digits than its factorization.

512985966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401667.

The product of its digits is 1166400, while the sum is 51.

The square root of 512985966 is about 22649.1934955751. The cubic root of 512985966 is about 800.5131946770.

The spelling of 512985966 in words is "five hundred twelve million, nine hundred eighty-five thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 61 122 183 366 1401601 2803202 4204803 8409606 85497661 170995322 256492983 512985966