Base | Representation |
---|---|
bin | 101001011001110… |
… | …1111101001001000 |
3 | 10120211012120002211 |
4 | 1102303233221020 |
5 | 10321124434300 |
6 | 345505234504 |
7 | 46266552145 |
oct | 12263575110 |
9 | 3524176084 |
10 | 1389296200 |
11 | 653248886 |
12 | 329332a34 |
13 | 191aa1776 |
14 | d27273cc |
15 | 81e7d4ba |
hex | 52cefa48 |
1389296200 has 48 divisors (see below), whose sum is σ = 3234430260. Its totient is φ = 554976000.
The previous prime is 1389296173. The next prime is 1389296201. The reversal of 1389296200 is 26929831.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 590781636 + 798514564 = 24306^2 + 28258^2 .
It is a Harshad number since it is a multiple of its sum of digits (40).
It is not an unprimeable number, because it can be changed into a prime (1389296201) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159970 + ... + 168430.
Almost surely, 21389296200 is an apocalyptic number.
1389296200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1389296200 is an abundant number, since it is smaller than the sum of its proper divisors (1845134060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1389296200 is a wasteful number, since it uses less digits than its factorization.
1389296200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9298 (or 9289 counting only the distinct ones).
The product of its (nonzero) digits is 46656, while the sum is 40.
The square root of 1389296200 is about 37273.2638764034. The cubic root of 1389296200 is about 1115.8306398017.
The spelling of 1389296200 in words is "one billion, three hundred eighty-nine million, two hundred ninety-six thousand, two hundred".
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