Base | Representation |
---|---|
bin | 10111010010100… |
… | …110011100001011 |
3 | 1000020021020222201 |
4 | 113102212130023 |
5 | 1300013031021 |
6 | 102435101031 |
7 | 12453223456 |
oct | 2722463413 |
9 | 1006236881 |
10 | 390752011 |
11 | 190629851 |
12 | aaa41777 |
13 | 62c54110 |
14 | 39c7849d |
15 | 24488591 |
hex | 174a670b |
390752011 has 4 divisors (see below), whose sum is σ = 420809872. Its totient is φ = 360694152.
The previous prime is 390752009. The next prime is 390752023. The reversal of 390752011 is 110257093.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110257093 = 331 ⋅333103.
It is not a de Polignac number, because 390752011 - 21 = 390752009 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (390752071) 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, 15028911 + ... + 15028936.
It is an arithmetic number, because the mean of its divisors is an integer number (105202468).
Almost surely, 2390752011 is an apocalyptic number.
390752011 is a deficient number, since it is larger than the sum of its proper divisors (30057861).
390752011 is a wasteful number, since it uses less digits than its factorization.
390752011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30057860.
The product of its (nonzero) digits is 1890, while the sum is 28.
The square root of 390752011 is about 19767.4482672903. The cubic root of 390752011 is about 731.0836542167.
The spelling of 390752011 in words is "three hundred ninety million, seven hundred fifty-two thousand, eleven".
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