Base | Representation |
---|---|
bin | 11111001011111… |
… | …001010100010111 |
3 | 1100110111221000021 |
4 | 133023321110113 |
5 | 2032420241210 |
6 | 123530130011 |
7 | 15652141402 |
oct | 3713712427 |
9 | 1313457007 |
10 | 523212055 |
11 | 249380a63 |
12 | 127280907 |
13 | 84521542 |
14 | 4d6b8d39 |
15 | 30e00bda |
hex | 1f2f9517 |
523212055 has 16 divisors (see below), whose sum is σ = 650916000. Its totient is φ = 403258240.
The previous prime is 523211989. The next prime is 523212091. The reversal of 523212055 is 550212325.
It is a happy number.
It is not a de Polignac number, because 523212055 - 29 = 523211543 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67521 + ... + 74869.
It is an arithmetic number, because the mean of its divisors is an integer number (40682250).
Almost surely, 2523212055 is an apocalyptic number.
523212055 is a deficient number, since it is larger than the sum of its proper divisors (127703945).
523212055 is a wasteful number, since it uses less digits than its factorization.
523212055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7874.
The product of its (nonzero) digits is 3000, while the sum is 25.
The square root of 523212055 is about 22873.8290410679. The cubic root of 523212055 is about 805.7974967787.
The spelling of 523212055 in words is "five hundred twenty-three million, two hundred twelve thousand, fifty-five".
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