Base | Representation |
---|---|
bin | 10111010010110… |
… | …101110011100110 |
3 | 1000020101110022210 |
4 | 113102311303212 |
5 | 1300022034300 |
6 | 102440304250 |
7 | 12453605121 |
oct | 2722656346 |
9 | 1006343283 |
10 | 390814950 |
11 | 190672069 |
12 | aaa72086 |
13 | 62c76966 |
14 | 39c933b8 |
15 | 2449c050 |
hex | 174b5ce6 |
390814950 has 24 divisors (see below), whose sum is σ = 969221448. Its totient is φ = 104217280.
The previous prime is 390814937. The next prime is 390814967. The reversal of 390814950 is 59418093.
It is a junction number, because it is equal to n+sod(n) for n = 390814899 and 390814908.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1302567 + ... + 1302866.
It is an arithmetic number, because the mean of its divisors is an integer number (40384227).
Almost surely, 2390814950 is an apocalyptic number.
390814950 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
390814950 is an abundant number, since it is smaller than the sum of its proper divisors (578406498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
390814950 is a wasteful number, since it uses less digits than its factorization.
390814950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2605448 (or 2605443 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 39.
The square root of 390814950 is about 19769.0401891442. The cubic root of 390814950 is about 731.1229043486.
The spelling of 390814950 in words is "three hundred ninety million, eight hundred fourteen thousand, nine hundred fifty".
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