Base | Representation |
---|---|
bin | 1101001001010… |
… | …0011110110011 |
3 | 10211202002210212 |
4 | 3102110132303 |
5 | 103103243011 |
6 | 5245414335 |
7 | 1236426623 |
oct | 322243663 |
9 | 124662725 |
10 | 55134131 |
11 | 291380a8 |
12 | 1656a3ab |
13 | b565260 |
14 | 7472883 |
15 | 4c9108b |
hex | 34947b3 |
55134131 has 8 divisors (see below), whose sum is σ = 59451504. Its totient is φ = 50827680.
The previous prime is 55134119. The next prime is 55134139. The reversal of 55134131 is 13143155.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 55134131 - 210 = 55133107 is a prime.
It is a super-2 number, since 2×551341312 = 6079544802250322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 55134097 and 55134106.
It is not an unprimeable number, because it can be changed into a prime (55134139) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9980 + ... + 14486.
It is an arithmetic number, because the mean of its divisors is an integer number (7431438).
Almost surely, 255134131 is an apocalyptic number.
55134131 is a deficient number, since it is larger than the sum of its proper divisors (4317373).
55134131 is a wasteful number, since it uses less digits than its factorization.
55134131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5461.
The product of its digits is 900, while the sum is 23.
The square root of 55134131 is about 7425.2360905226. The cubic root of 55134131 is about 380.6041428728.
Adding to 55134131 its reverse (13143155), we get a palindrome (68277286).
The spelling of 55134131 in words is "fifty-five million, one hundred thirty-four thousand, one hundred thirty-one".
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