Base | Representation |
---|---|
bin | 1100010001110… |
… | …0000010001100 |
3 | 10120220012221011 |
4 | 3010130002030 |
5 | 101140320202 |
6 | 5035415004 |
7 | 1163462230 |
oct | 304340214 |
9 | 116805834 |
10 | 51495052 |
11 | 27081aa4 |
12 | 152b4464 |
13 | a88ca5b |
14 | 6ba65c0 |
15 | 47c2bd7 |
hex | 311c08c |
51495052 has 48 divisors (see below), whose sum is σ = 105557760. Its totient is φ = 21528000.
The previous prime is 51495049. The next prime is 51495053. The reversal of 51495052 is 25059415.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (51495053) 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, 370399 + ... + 370537.
It is an arithmetic number, because the mean of its divisors is an integer number (2199120).
Almost surely, 251495052 is an apocalyptic number.
It is an amenable number.
51495052 is an abundant number, since it is smaller than the sum of its proper divisors (54062708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51495052 is a wasteful number, since it uses less digits than its factorization.
51495052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 382 (or 380 counting only the distinct ones).
The product of its (nonzero) digits is 9000, while the sum is 31.
The square root of 51495052 is about 7176.0052954273. The cubic root of 51495052 is about 372.0390273927.
It can be divided in two parts, 5149 and 5052, that added together give a palindrome (10201).
The spelling of 51495052 in words is "fifty-one million, four hundred ninety-five thousand, fifty-two".
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