Base | Representation |
---|---|
bin | 111101111101010… |
… | …100111010100111 |
3 | 2200102222101120212 |
4 | 331331110322213 |
5 | 4112102033011 |
6 | 251051450035 |
7 | 34521330161 |
oct | 7575247247 |
9 | 2612871525 |
10 | 1039486631 |
11 | 493843767 |
12 | 25015691b |
13 | 137484161 |
14 | 9c0a9931 |
15 | 613d108b |
hex | 3df54ea7 |
1039486631 has 4 divisors (see below), whose sum is σ = 1043628264. Its totient is φ = 1035345000.
The previous prime is 1039486579. The next prime is 1039486663. The reversal of 1039486631 is 1366849301.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1039486631 is a prime.
It is a super-2 number, since 2×10394866312 = 2161064912055460322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1039486681) 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, 2070440 + ... + 2070941.
It is an arithmetic number, because the mean of its divisors is an integer number (260907066).
Almost surely, 21039486631 is an apocalyptic number.
1039486631 is a deficient number, since it is larger than the sum of its proper divisors (4141633).
1039486631 is an equidigital number, since it uses as much as digits as its factorization.
1039486631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4141632.
The product of its (nonzero) digits is 93312, while the sum is 41.
The square root of 1039486631 is about 32241.0705622503. The cubic root of 1039486631 is about 1012.9926697703.
The spelling of 1039486631 in words is "one billion, thirty-nine million, four hundred eighty-six thousand, six hundred thirty-one".
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