Base | Representation |
---|---|
bin | 10111000101000… |
… | …100011010000110 |
3 | 222222121001001101 |
4 | 113011010122012 |
5 | 1243111022432 |
6 | 102231050314 |
7 | 12411120541 |
oct | 2705043206 |
9 | 888531041 |
10 | 387204742 |
11 | 189626721 |
12 | a981099a |
13 | 622b1642 |
14 | 395d3858 |
15 | 23ed74e7 |
hex | 17144686 |
387204742 has 8 divisors (see below), whose sum is σ = 580985496. Its totient is φ = 193542912.
The previous prime is 387204739. The next prime is 387204749. The reversal of 387204742 is 247402783.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (387204749) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21088 + ... + 34915.
It is an arithmetic number, because the mean of its divisors is an integer number (72623187).
Almost surely, 2387204742 is an apocalyptic number.
387204742 is a deficient number, since it is larger than the sum of its proper divisors (193780754).
387204742 is a wasteful number, since it uses less digits than its factorization.
387204742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59462.
The product of its (nonzero) digits is 75264, while the sum is 37.
The square root of 387204742 is about 19677.5186952014. The cubic root of 387204742 is about 728.8646528584.
The spelling of 387204742 in words is "three hundred eighty-seven million, two hundred four thousand, seven hundred forty-two".
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