Base | Representation |
---|---|
bin | 111111011010111… |
… | …111011000110100 |
3 | 2202011011211110110 |
4 | 333122333120310 |
5 | 4134343234423 |
6 | 253330023020 |
7 | 35240122254 |
oct | 7732773064 |
9 | 2664154413 |
10 | 1064039988 |
11 | 4a6693aa0 |
12 | 258417a70 |
13 | 13c59cc7b |
14 | a145b964 |
15 | 63631193 |
hex | 3f6bf634 |
1064039988 has 48 divisors (see below), whose sum is σ = 2771467776. Its totient is φ = 314936160.
The previous prime is 1064039987. The next prime is 1064040011. The reversal of 1064039988 is 8899304601.
It is a super-2 number, since 2×10640399882 = 2264362192126080288, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1064039987) 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, 88056 + ... + 99407.
It is an arithmetic number, because the mean of its divisors is an integer number (57738912).
Almost surely, 21064039988 is an apocalyptic number.
It is an amenable number.
1064039988 is an abundant number, since it is smaller than the sum of its proper divisors (1707427788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1064039988 is a wasteful number, since it uses less digits than its factorization.
1064039988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187524 (or 187522 counting only the distinct ones).
The product of its (nonzero) digits is 373248, while the sum is 48.
The square root of 1064039988 is about 32619.6258102388. The cubic root of 1064039988 is about 1020.9065335568.
The spelling of 1064039988 in words is "one billion, sixty-four million, thirty-nine thousand, nine hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •