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512942386 = 21123315563
BaseRepresentation
bin11110100100101…
…110000100110010
31022202012011200011
4132210232010302
52022303124021
6122522045134
715465636565
oct3644560462
91282164604
10512942386
112435a7230
121239497aa
1382367008
144c1a44dc
1530072de1
hex1e92e132

512942386 has 8 divisors (see below), whose sum is σ = 839360304. Its totient is φ = 233155620.

The previous prime is 512942383. The next prime is 512942413. The reversal of 512942386 is 683249215.

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

It is not an unprimeable number, because it can be changed into a prime (512942383) 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, 11657760 + ... + 11657803.

It is an arithmetic number, because the mean of its divisors is an integer number (104920038).

Almost surely, 2512942386 is an apocalyptic number.

512942386 is a deficient number, since it is larger than the sum of its proper divisors (326417918).

512942386 is a wasteful number, since it uses less digits than its factorization.

512942386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23315576.

The product of its digits is 103680, while the sum is 40.

The square root of 512942386 is about 22648.2314099799. The cubic root of 512942386 is about 800.4905252115.

It can be divided in two parts, 51294238 and 6, that added together give a square (51294244 = 71622).

The spelling of 512942386 in words is "five hundred twelve million, nine hundred forty-two thousand, three hundred eighty-six".

Divisors: 1 2 11 22 23315563 46631126 256471193 512942386