Base | Representation |
---|---|
bin | 110010001011… |
… | …011101000000 |
3 | 220202022001100 |
4 | 302023131000 |
5 | 11331412422 |
6 | 1145534400 |
7 | 216544116 |
oct | 62133500 |
9 | 26668040 |
10 | 13154112 |
11 | 7474974 |
12 | 44a4400 |
13 | 29573ca |
14 | 1a65ab6 |
15 | 124c7ac |
hex | c8b740 |
13154112 has 84 divisors (see below), whose sum is σ = 38692836. Its totient is φ = 4270080.
The previous prime is 13154047. The next prime is 13154117. The reversal of 13154112 is 21145131.
It can be written as a sum of positive squares in 2 ways, for example, as 876096 + 12278016 = 936^2 + 3504^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13154117) 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, 23338 + ... + 23894.
It is an arithmetic number, because the mean of its divisors is an integer number (460629).
Almost surely, 213154112 is an apocalyptic number.
13154112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13154112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19346418).
13154112 is an abundant number, since it is smaller than the sum of its proper divisors (25538724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13154112 is a wasteful number, since it uses less digits than its factorization.
13154112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 616 (or 603 counting only the distinct ones).
The product of its digits is 120, while the sum is 18.
The square root of 13154112 is about 3626.8597987791. The cubic root of 13154112 is about 236.0589721439.
Adding to 13154112 its reverse (21145131), we get a palindrome (34299243).
The spelling of 13154112 in words is "thirteen million, one hundred fifty-four thousand, one hundred twelve".
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