Base | Representation |
---|---|
bin | 110010111011… |
… | …100011101001 |
3 | 221010022022212 |
4 | 302323203221 |
5 | 11404214040 |
6 | 1154054505 |
7 | 221324423 |
oct | 62734351 |
9 | 27108285 |
10 | 13351145 |
11 | 7599a05 |
12 | 457a435 |
13 | 29c5cb2 |
14 | 1ab7813 |
15 | 128ad65 |
hex | cbb8e9 |
13351145 has 8 divisors (see below), whose sum is σ = 16129800. Its totient is φ = 10608640.
The previous prime is 13351099. The next prime is 13351181. The reversal of 13351145 is 54115331.
It can be written as a sum of positive squares in 4 ways, for example, as 698896 + 12652249 = 836^2 + 3557^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13351145 - 26 = 13351081 is a prime.
It is a super-2 number, since 2×133511452 = 356506145622050, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 13351145.
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, 8216 + ... + 9705.
It is an arithmetic number, because the mean of its divisors is an integer number (2016225).
Almost surely, 213351145 is an apocalyptic number.
It is an amenable number.
13351145 is a deficient number, since it is larger than the sum of its proper divisors (2778655).
13351145 is a wasteful number, since it uses less digits than its factorization.
13351145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18075.
The product of its digits is 900, while the sum is 23.
The square root of 13351145 is about 3653.9218656123. The cubic root of 13351145 is about 237.2317636456.
Adding to 13351145 its reverse (54115331), we get a palindrome (67466476).
The spelling of 13351145 in words is "thirteen million, three hundred fifty-one thousand, one hundred forty-five".
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