Base | Representation |
---|---|
bin | 1100110100010… |
… | …1010111001000 |
3 | 10202011100212221 |
4 | 3031011113020 |
5 | 102230331410 |
6 | 5200143424 |
7 | 1221652003 |
oct | 315052710 |
9 | 122140787 |
10 | 53761480 |
11 | 2838a883 |
12 | 16007b74 |
13 | b1a4536 |
14 | 71d653a |
15 | 4abe4da |
hex | 33455c8 |
53761480 has 64 divisors (see below), whose sum is σ = 129101040. Its totient is φ = 20078592.
The previous prime is 53761459. The next prime is 53761489. The reversal of 53761480 is 8416735.
It can be written as a sum of positive squares in 8 ways, for example, as 50098084 + 3663396 = 7078^2 + 1914^2 .
It is a Harshad number since it is a multiple of its sum of digits (34).
It is not an unprimeable number, because it can be changed into a prime (53761489) 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, 117412 + ... + 117868.
Almost surely, 253761480 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 53761480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64550520).
53761480 is an abundant number, since it is smaller than the sum of its proper divisors (75339560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53761480 is a wasteful number, since it uses less digits than its factorization.
53761480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 658 (or 654 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 34.
The square root of 53761480 is about 7332.2220370090. Note that the first 3 decimals coincide. The cubic root of 53761480 is about 377.4189817800.
The spelling of 53761480 in words is "fifty-three million, seven hundred sixty-one thousand, four hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.253 sec. • engine limits •