Base | Representation |
---|---|
bin | 110011000001… |
… | …110111011100 |
3 | 221011121210000 |
4 | 303001313130 |
5 | 11411030423 |
6 | 1154414300 |
7 | 221462652 |
oct | 63016734 |
9 | 27147700 |
10 | 13376988 |
11 | 7607369 |
12 | 4591390 |
13 | 2a049a1 |
14 | 1ac2dd2 |
15 | 1293843 |
hex | cc1ddc |
13376988 has 120 divisors (see below), whose sum is σ = 38419920. Its totient is φ = 4043520.
The previous prime is 13376983. The next prime is 13376989. The reversal of 13376988 is 88967331.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13376981) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 252370 + ... + 252422.
It is an arithmetic number, because the mean of its divisors is an integer number (320166).
Almost surely, 213376988 is an apocalyptic number.
13376988 is a gapful number since it is divisible by the number (18) 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 13376988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19209960).
13376988 is an abundant number, since it is smaller than the sum of its proper divisors (25042932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13376988 is a wasteful number, since it uses less digits than its factorization.
13376988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129 (or 118 counting only the distinct ones).
The product of its digits is 217728, while the sum is 45.
The square root of 13376988 is about 3657.4564932477. The cubic root of 13376988 is about 237.3847300280.
The spelling of 13376988 in words is "thirteen million, three hundred seventy-six thousand, nine hundred eighty-eight".
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