Base | Representation |
---|---|
bin | 10111010000100… |
… | …001011100001001 |
3 | 1000012020120201001 |
4 | 113100201130021 |
5 | 1244343112431 |
6 | 102415255001 |
7 | 12445464304 |
oct | 2720413411 |
9 | 1005216631 |
10 | 390207241 |
11 | 190297526 |
12 | aa81a461 |
13 | 62ac3178 |
14 | 39b75b3b |
15 | 243cbe61 |
hex | 17421709 |
390207241 has 8 divisors (see below), whose sum is σ = 399728384. Its totient is φ = 380706480.
The previous prime is 390207227. The next prime is 390207269. The reversal of 390207241 is 142702093.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-390207241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (390207271) 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, 38035 + ... + 47191.
It is an arithmetic number, because the mean of its divisors is an integer number (49966048).
Almost surely, 2390207241 is an apocalyptic number.
It is an amenable number.
390207241 is a deficient number, since it is larger than the sum of its proper divisors (9521143).
390207241 is an equidigital number, since it uses as much as digits as its factorization.
390207241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10191.
The product of its (nonzero) digits is 3024, while the sum is 28.
The square root of 390207241 is about 19753.6639892451. The cubic root of 390207241 is about 730.7437475245.
The spelling of 390207241 in words is "three hundred ninety million, two hundred seven thousand, two hundred forty-one".
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