Base | Representation |
---|---|
bin | 100000000101110… |
… | …000101001010000 |
3 | 1101112001120201121 |
4 | 200011300221100 |
5 | 2100311142010 |
6 | 125231212024 |
7 | 16225106362 |
oct | 4005605120 |
9 | 1345046647 |
10 | 538380880 |
11 | 2569a1584 |
12 | 130377014 |
13 | 8770298b |
14 | 51706d32 |
15 | 323ea3da |
hex | 20170a50 |
538380880 has 40 divisors (see below), whose sum is σ = 1258685064. Its totient is φ = 214156800.
The previous prime is 538380877. The next prime is 538380883. The reversal of 538380880 is 88083835.
It is an interprime number because it is at equal distance from previous prime (538380877) and next prime (538380883).
It can be written as a sum of positive squares in 4 ways, for example, as 7354944 + 531025936 = 2712^2 + 23044^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (538380883) 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, 4111 + ... + 33070.
Almost surely, 2538380880 is an apocalyptic number.
It is an amenable number.
538380880 is an abundant number, since it is smaller than the sum of its proper divisors (720304184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
538380880 is a wasteful number, since it uses less digits than its factorization.
538380880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37375 (or 37369 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 43.
The square root of 538380880 is about 23203.0360082469. The cubic root of 538380880 is about 813.5105872445.
The spelling of 538380880 in words is "five hundred thirty-eight million, three hundred eighty thousand, eight hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •