Base | Representation |
---|---|
bin | 1101001010110… |
… | …0111011001011 |
3 | 10211221012011000 |
4 | 3102230323023 |
5 | 103114444001 |
6 | 5251510043 |
7 | 1240324542 |
oct | 322547313 |
9 | 124835130 |
10 | 55234251 |
11 | 291a6346 |
12 | 165b8323 |
13 | b59b9b7 |
14 | 749b159 |
15 | 4cb0a86 |
hex | 34acecb |
55234251 has 8 divisors (see below), whose sum is σ = 81828560. Its totient is φ = 36822816.
The previous prime is 55234217. The next prime is 55234253. The reversal of 55234251 is 15243255.
It is a happy number.
It is not a de Polignac number, because 55234251 - 26 = 55234187 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2045713 = 55234251 / (5 + 5 + 2 + 3 + 4 + 2 + 5 + 1).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (55234253) 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, 1022830 + ... + 1022883.
It is an arithmetic number, because the mean of its divisors is an integer number (10228570).
Almost surely, 255234251 is an apocalyptic number.
55234251 is a deficient number, since it is larger than the sum of its proper divisors (26594309).
55234251 is a wasteful number, since it uses less digits than its factorization.
55234251 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2045722 (or 2045716 counting only the distinct ones).
The product of its digits is 6000, while the sum is 27.
The square root of 55234251 is about 7431.9749057703. The cubic root of 55234251 is about 380.8343876913.
The spelling of 55234251 in words is "fifty-five million, two hundred thirty-four thousand, two hundred fifty-one".
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