Base | Representation |
---|---|
bin | 100001001000001… |
… | …000100010011100 |
3 | 1102201210120011210 |
4 | 201020020202130 |
5 | 2114234432002 |
6 | 131052144420 |
7 | 16526024406 |
oct | 4110104234 |
9 | 1381716153 |
10 | 555780252 |
11 | 2657a5a25 |
12 | 136168110 |
13 | 8b1b5471 |
14 | 53b55b76 |
15 | 33bd596c |
hex | 2120889c |
555780252 has 48 divisors (see below), whose sum is σ = 1379216160. Its totient is φ = 173586432.
The previous prime is 555780227. The next prime is 555780263. The reversal of 555780252 is 252087555.
It is a self number, because there is not a number n which added to its sum of digits gives 555780252.
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, 40768 + ... + 52664.
It is an arithmetic number, because the mean of its divisors is an integer number (28733670).
Almost surely, 2555780252 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 555780252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689608080).
555780252 is an abundant number, since it is smaller than the sum of its proper divisors (823435908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
555780252 is a wasteful number, since it uses less digits than its factorization.
555780252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12150 (or 12148 counting only the distinct ones).
The product of its (nonzero) digits is 140000, while the sum is 39.
The square root of 555780252 is about 23574.9920890761. The cubic root of 555780252 is about 822.1815063219.
The spelling of 555780252 in words is "five hundred fifty-five million, seven hundred eighty thousand, two hundred fifty-two".
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