Base | Representation |
---|---|
bin | 110001101101… |
… | …000000000100 |
3 | 220111221221122 |
4 | 301231000010 |
5 | 11313420010 |
6 | 1143133112 |
7 | 215514350 |
oct | 61550004 |
9 | 26457848 |
10 | 13029380 |
11 | 739a191 |
12 | 4444198 |
13 | 29126c0 |
14 | 1a32460 |
15 | 1225855 |
hex | c6d004 |
13029380 has 48 divisors (see below), whose sum is σ = 33680640. Its totient is φ = 4123008.
The previous prime is 13029377. The next prime is 13029407. The reversal of 13029380 is 8392031.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1760 + ... + 5399.
It is an arithmetic number, because the mean of its divisors is an integer number (701680).
Almost surely, 213029380 is an apocalyptic number.
13029380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13029380 is an abundant number, since it is smaller than the sum of its proper divisors (20651260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13029380 is a wasteful number, since it uses less digits than its factorization.
13029380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7188 (or 7186 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 13029380 is about 3609.6232490386. The cubic root of 13029380 is about 235.3104693783.
The spelling of 13029380 in words is "thirteen million, twenty-nine thousand, three hundred eighty".
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