Base | Representation |
---|---|
bin | 111101011010100… |
… | …111101101010100 |
3 | 2122210212011101102 |
4 | 331122213231110 |
5 | 4102234413224 |
6 | 250124445232 |
7 | 34351105202 |
oct | 7532475524 |
9 | 2583764342 |
10 | 1030388564 |
11 | 48969a1a7 |
12 | 2490a9818 |
13 | 135619c9a |
14 | 9abbc072 |
15 | 606d54ae |
hex | 3d6a7b54 |
1030388564 has 12 divisors (see below), whose sum is σ = 1909249524. Its totient is φ = 484888704.
The previous prime is 1030388561. The next prime is 1030388573. The reversal of 1030388564 is 4658830301.
It can be written as a sum of positive squares in 2 ways, for example, as 394340164 + 636048400 = 19858^2 + 25220^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030388561) 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, 7576319 + ... + 7576454.
It is an arithmetic number, because the mean of its divisors is an integer number (159104127).
Almost surely, 21030388564 is an apocalyptic number.
It is an amenable number.
1030388564 is a deficient number, since it is larger than the sum of its proper divisors (878860960).
1030388564 is a wasteful number, since it uses less digits than its factorization.
1030388564 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15152794 (or 15152792 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 38.
The square root of 1030388564 is about 32099.6661041825. Note that the first 3 decimals coincide. The cubic root of 1030388564 is about 1010.0286120705.
The spelling of 1030388564 in words is "one billion, thirty million, three hundred eighty-eight thousand, five hundred sixty-four".
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