Base | Representation |
---|---|
bin | 10111000101001… |
… | …101101001101001 |
3 | 222222122221222120 |
4 | 113011031221221 |
5 | 1243113230401 |
6 | 102231541453 |
7 | 12411336114 |
oct | 2705155151 |
9 | 888587876 |
10 | 387242601 |
11 | 189652109 |
12 | a982a889 |
13 | 622c5945 |
14 | 3960357b |
15 | 23ee3836 |
hex | 1714da69 |
387242601 has 4 divisors (see below), whose sum is σ = 516323472. Its totient is φ = 258161732.
The previous prime is 387242561. The next prime is 387242621. The reversal of 387242601 is 106242783.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 106242783 = 3 ⋅35414261.
It is a cyclic number.
It is not a de Polignac number, because 387242601 - 210 = 387241577 is a prime.
It is not an unprimeable number, because it can be changed into a prime (387242621) 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, 64540431 + ... + 64540436.
It is an arithmetic number, because the mean of its divisors is an integer number (129080868).
Almost surely, 2387242601 is an apocalyptic number.
It is an amenable number.
387242601 is a deficient number, since it is larger than the sum of its proper divisors (129080871).
387242601 is a wasteful number, since it uses less digits than its factorization.
387242601 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129080870.
The product of its (nonzero) digits is 16128, while the sum is 33.
The square root of 387242601 is about 19678.4806578150. The cubic root of 387242601 is about 728.8884070334. Note that the first 3 decimals are identical.
The spelling of 387242601 in words is "three hundred eighty-seven million, two hundred forty-two thousand, six hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •