Base | Representation |
---|---|
bin | 1100001011100… |
… | …0111001100011 |
3 | 10120010120221000 |
4 | 3002320321203 |
5 | 101034321440 |
6 | 5023003043 |
7 | 1160151336 |
oct | 302707143 |
9 | 116116830 |
10 | 51088995 |
11 | 26924a11 |
12 | 15139483 |
13 | a779c99 |
14 | 6adc61d |
15 | 4742730 |
hex | 30b8e63 |
51088995 has 64 divisors (see below), whose sum is σ = 97511040. Its totient is φ = 25288704.
The previous prime is 51088991. The next prime is 51088997. The reversal of 51088995 is 59988015.
51088995 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 51088995 - 22 = 51088991 is a prime.
It is a super-2 number, since 2×510889952 = 5220170820220050, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 51088995.
It is not an unprimeable number, because it can be changed into a prime (51088991) 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 63 ways as a sum of consecutive naturals, for example, 259237 + ... + 259433.
It is an arithmetic number, because the mean of its divisors is an integer number (1523610).
Almost surely, 251088995 is an apocalyptic number.
51088995 is a deficient number, since it is larger than the sum of its proper divisors (46422045).
51088995 is a wasteful number, since it uses less digits than its factorization.
51088995 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 341 (or 335 counting only the distinct ones).
The product of its (nonzero) digits is 129600, while the sum is 45.
The square root of 51088995 is about 7147.6566089873. The cubic root of 51088995 is about 371.0585585768.
51088995 divided by its sum of digits (45) gives a palindrome (1135311).
The spelling of 51088995 in words is "fifty-one million, eighty-eight thousand, nine hundred ninety-five".
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