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512214101 = 7253197233
BaseRepresentation
bin11110100001111…
…100010001010101
31022200211011122122
4132201330101111
52022111322401
6122454305325
715456514400
oct3641742125
91280734578
10512214101
1124314a043
12123658245
1382170689
144c054d37
152ee7c21b
hex1e87c455

512214101 has 12 divisors (see below), whose sum is σ = 607086252. Its totient is φ = 430754688.

The previous prime is 512214091. The next prime is 512214121. The reversal of 512214101 is 101412215.

It can be written as a sum of positive squares in 2 ways, for example, as 389115076 + 123099025 = 19726^2 + 11095^2 .

It is a de Polignac number, because none of the positive numbers 2k-512214101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 512214101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512214121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96020 + ... + 101213.

It is an arithmetic number, because the mean of its divisors is an integer number (50590521).

Almost surely, 2512214101 is an apocalyptic number.

It is an amenable number.

512214101 is a deficient number, since it is larger than the sum of its proper divisors (94872151).

512214101 is a wasteful number, since it uses less digits than its factorization.

512214101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197300 (or 197293 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 512214101 is about 22632.1475118911. The cubic root of 512214101 is about 800.1114953977. Note that the first 3 decimals are identical.

Adding to 512214101 its reverse (101412215), we get a palindrome (613626316).

The spelling of 512214101 in words is "five hundred twelve million, two hundred fourteen thousand, one hundred one".

Divisors: 1 7 49 53 371 2597 197233 1380631 9664417 10453349 73173443 512214101