Base | Representation |
---|---|
bin | 100111101000… |
… | …001110011100 |
3 | 201112210011211 |
4 | 213220032130 |
5 | 10124412010 |
6 | 1010354204 |
7 | 154204552 |
oct | 47501634 |
9 | 21483154 |
10 | 10388380 |
11 | 5955a42 |
12 | 358b964 |
13 | 21c9592 |
14 | 1545bd2 |
15 | da308a |
hex | 9e839c |
10388380 has 24 divisors (see below), whose sum is σ = 22569120. Its totient is φ = 4011840.
The previous prime is 10388359. The next prime is 10388381. The reversal of 10388380 is 8388301.
10388380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10388381) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8376 + ... + 9535.
It is an arithmetic number, because the mean of its divisors is an integer number (940380).
Almost surely, 210388380 is an apocalyptic number.
10388380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10388380 is an abundant number, since it is smaller than the sum of its proper divisors (12180740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10388380 is a wasteful number, since it uses less digits than its factorization.
10388380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17949 (or 17947 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 31.
The square root of 10388380 is about 3223.1009912815. The cubic root of 10388380 is about 218.1972515387.
The spelling of 10388380 in words is "ten million, three hundred eighty-eight thousand, three hundred eighty".
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