Base | Representation |
---|---|
bin | 110001110000… |
… | …001000110110 |
3 | 220112121120120 |
4 | 301300020312 |
5 | 11314322410 |
6 | 1143312410 |
7 | 215566665 |
oct | 61601066 |
9 | 26477516 |
10 | 13042230 |
11 | 73a8903 |
12 | 444b706 |
13 | 29184c6 |
14 | 1a36ddc |
15 | 1229570 |
hex | c70236 |
13042230 has 64 divisors (see below), whose sum is σ = 33592320. Its totient is φ = 3229184.
The previous prime is 13042207. The next prime is 13042259. The reversal of 13042230 is 3224031.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54451 + ... + 54689.
It is an arithmetic number, because the mean of its divisors is an integer number (524880).
Almost surely, 213042230 is an apocalyptic number.
13042230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 13042230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16796160).
13042230 is an abundant number, since it is smaller than the sum of its proper divisors (20550090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13042230 is a wasteful number, since it uses less digits than its factorization.
13042230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 373.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 13042230 is about 3611.4027745462. The cubic root of 13042230 is about 235.3878009177.
Adding to 13042230 its reverse (3224031), we get a palindrome (16266261).
The spelling of 13042230 in words is "thirteen million, forty-two thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •