Base | Representation |
---|---|
bin | 100111101000… |
… | …100111010010 |
3 | 201112212100201 |
4 | 213220213102 |
5 | 10124434340 |
6 | 1010405414 |
7 | 154212313 |
oct | 47504722 |
9 | 21485321 |
10 | 10389970 |
11 | 5957158 |
12 | 359086a |
13 | 21ca216 |
14 | 154660a |
15 | da379a |
hex | 9e89d2 |
10389970 has 16 divisors (see below), whose sum is σ = 19208088. Its totient is φ = 4043520.
The previous prime is 10389937. The next prime is 10389983. The reversal of 10389970 is 7998301.
10389970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 9042049 + 1347921 = 3007^2 + 1161^2 .
It is a Harshad number since it is a multiple of its sum of digits (37).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13671 + ... + 14410.
Almost surely, 210389970 is an apocalyptic number.
10389970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10389970 is a deficient number, since it is larger than the sum of its proper divisors (8818118).
10389970 is a wasteful number, since it uses less digits than its factorization.
10389970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28125.
The product of its (nonzero) digits is 13608, while the sum is 37.
The square root of 10389970 is about 3223.3476387135. The cubic root of 10389970 is about 218.2083830765.
The spelling of 10389970 in words is "ten million, three hundred eighty-nine thousand, nine hundred seventy".
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