Base | Representation |
---|---|
bin | 1100001011000… |
… | …0101000110000 |
3 | 10120001212111120 |
4 | 3002300220300 |
5 | 101032231102 |
6 | 5022142240 |
7 | 1156650561 |
oct | 302605060 |
9 | 116055446 |
10 | 51055152 |
11 | 26901545 |
12 | 15121980 |
13 | a767765 |
14 | 6ad0168 |
15 | 47376bc |
hex | 30b0a30 |
51055152 has 20 divisors (see below), whose sum is σ = 131892600. Its totient is φ = 17018368.
The previous prime is 51055141. The next prime is 51055159. The reversal of 51055152 is 25155015.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (51055159) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531777 + ... + 531872.
It is an arithmetic number, because the mean of its divisors is an integer number (6594630).
Almost surely, 251055152 is an apocalyptic number.
It is an amenable number.
51055152 is an abundant number, since it is smaller than the sum of its proper divisors (80837448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51055152 is a wasteful number, since it uses less digits than its factorization.
51055152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1063660 (or 1063654 counting only the distinct ones).
The product of its (nonzero) digits is 1250, while the sum is 24.
The square root of 51055152 is about 7145.2887975225. The cubic root of 51055152 is about 370.9766067546.
The spelling of 51055152 in words is "fifty-one million, fifty-five thousand, one hundred fifty-two".
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