Base | Representation |
---|---|
bin | 1101010101110… |
… | …0001010011111 |
3 | 10220021122202110 |
4 | 3111130022133 |
5 | 103310431111 |
6 | 5315125103 |
7 | 1246404312 |
oct | 325341237 |
9 | 126248673 |
10 | 55952031 |
11 | 29646653 |
12 | 168a3793 |
13 | b790615 |
14 | 7606979 |
15 | 4da35a6 |
hex | 355c29f |
55952031 has 16 divisors (see below), whose sum is σ = 78059520. Its totient is φ = 35581920.
The previous prime is 55952027. The next prime is 55952041. The reversal of 55952031 is 13025955.
It is not a de Polignac number, because 55952031 - 22 = 55952027 is a prime.
It is a super-2 number, since 2×559520312 = 6261259546049922, 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 55952031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55952021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30930 + ... + 32688.
It is an arithmetic number, because the mean of its divisors is an integer number (4878720).
Almost surely, 255952031 is an apocalyptic number.
55952031 is a deficient number, since it is larger than the sum of its proper divisors (22107489).
55952031 is a wasteful number, since it uses less digits than its factorization.
55952031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2246.
The product of its (nonzero) digits is 6750, while the sum is 30.
The square root of 55952031 is about 7480.1090232696. The cubic root of 55952031 is about 382.4769655914.
Adding to 55952031 its reverse (13025955), we get a palindrome (68977986).
It can be divided in two parts, 5595 and 2031, that added together give a triangular number (7626 = T123).
The spelling of 55952031 in words is "fifty-five million, nine hundred fifty-two thousand, thirty-one".
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