Base | Representation |
---|---|
bin | 10111000101100… |
… | …101000000000010 |
3 | 222222211211011211 |
4 | 113011211000002 |
5 | 1243124310432 |
6 | 102234000334 |
7 | 12412215004 |
oct | 2705450002 |
9 | 888754154 |
10 | 387338242 |
11 | 189707a55 |
12 | a98760aa |
13 | 6232a335 |
14 | 3962a374 |
15 | 24011d47 |
hex | 17165002 |
387338242 has 16 divisors (see below), whose sum is σ = 600652800. Its totient is φ = 187139520.
The previous prime is 387338213. The next prime is 387338243. The reversal of 387338242 is 242833783.
It is a junction number, because it is equal to n+sod(n) for n = 387338195 and 387338204.
It is not an unprimeable number, because it can be changed into a prime (387338243) 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, 40234 + ... + 48922.
It is an arithmetic number, because the mean of its divisors is an integer number (37540800).
Almost surely, 2387338242 is an apocalyptic number.
387338242 is a deficient number, since it is larger than the sum of its proper divisors (213314558).
387338242 is a wasteful number, since it uses less digits than its factorization.
387338242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9441.
The product of its digits is 193536, while the sum is 40.
The square root of 387338242 is about 19680.9105988519. The cubic root of 387338242 is about 728.9484089354.
The spelling of 387338242 in words is "three hundred eighty-seven million, three hundred thirty-eight thousand, two hundred forty-two".
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