Base | Representation |
---|---|
bin | 11110100001000… |
… | …101100111000100 |
3 | 1022200101210112110 |
4 | 132201011213010 |
5 | 2022032141322 |
6 | 122445421020 |
7 | 15454562556 |
oct | 3641054704 |
9 | 1280353473 |
10 | 511990212 |
11 | 243006908 |
12 | 12356a770 |
13 | 820c27b6 |
14 | 4bdd74d6 |
15 | 2ee35c0c |
hex | 1e8459c4 |
511990212 has 48 divisors (see below), whose sum is σ = 1248670080. Its totient is φ = 162970368.
The previous prime is 511990181. The next prime is 511990243. The reversal of 511990212 is 212099115.
It is an interprime number because it is at equal distance from previous prime (511990181) and next prime (511990243).
It is a self number, because there is not a number n which added to its sum of digits gives 511990212.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222138 + ... + 224430.
It is an arithmetic number, because the mean of its divisors is an integer number (26013960).
Almost surely, 2511990212 is an apocalyptic number.
It is an amenable number.
511990212 is an abundant number, since it is smaller than the sum of its proper divisors (736679868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
511990212 is a wasteful number, since it uses less digits than its factorization.
511990212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3132 (or 3130 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 30.
The square root of 511990212 is about 22627.2007106491. The cubic root of 511990212 is about 799.9949020508.
The spelling of 511990212 in words is "five hundred eleven million, nine hundred ninety thousand, two hundred twelve".
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