Base | Representation |
---|---|
bin | 1101010100011… |
… | …0001100001111 |
3 | 10220010002022010 |
4 | 3111012030033 |
5 | 103300041111 |
6 | 5313152303 |
7 | 1245551031 |
oct | 325061417 |
9 | 126102263 |
10 | 55862031 |
11 | 29594a75 |
12 | 1685b693 |
13 | b75b674 |
14 | 75c1c51 |
15 | 4d86aa6 |
hex | 354630f |
55862031 has 32 divisors (see below), whose sum is σ = 80312320. Its totient is φ = 34473600.
The previous prime is 55862029. The next prime is 55862041. The reversal of 55862031 is 13026855.
55862031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 55862031 - 21 = 55862029 is a prime.
It is a super-2 number, since 2×558620312 = 6241133014889922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 55862031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55862011) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 243825 + ... + 244053.
It is an arithmetic number, because the mean of its divisors is an integer number (2509760).
Almost surely, 255862031 is an apocalyptic number.
55862031 is a deficient number, since it is larger than the sum of its proper divisors (24450289).
55862031 is a wasteful number, since it uses less digits than its factorization.
55862031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 367.
The product of its (nonzero) digits is 7200, while the sum is 30.
The square root of 55862031 is about 7474.0906470286. The cubic root of 55862031 is about 382.2717814991.
Adding to 55862031 its reverse (13026855), we get a palindrome (68888886).
The spelling of 55862031 in words is "fifty-five million, eight hundred sixty-two thousand, thirty-one".
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