Base | Representation |
---|---|
bin | 10111010000110… |
… | …110111000000011 |
3 | 1000012102001010222 |
4 | 113100312320003 |
5 | 1244403420133 |
6 | 102421213255 |
7 | 12446311265 |
oct | 2720667003 |
9 | 1005361128 |
10 | 390295043 |
11 | 190347496 |
12 | aa86122b |
13 | 62b24118 |
14 | 39b99b35 |
15 | 243e7e98 |
hex | 17436e03 |
390295043 has 4 divisors (see below), whose sum is σ = 390334560. Its totient is φ = 390255528.
The previous prime is 390294977. The next prime is 390295049. The reversal of 390295043 is 340592093.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 390295043 - 218 = 390032899 is a prime.
It is a super-3 number, since 3×3902950433 (a number of 27 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 390294994 and 390295012.
It is not an unprimeable number, because it can be changed into a prime (390295049) 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, 9446 + ... + 29492.
It is an arithmetic number, because the mean of its divisors is an integer number (97583640).
Almost surely, 2390295043 is an apocalyptic number.
390295043 is a deficient number, since it is larger than the sum of its proper divisors (39517).
390295043 is a wasteful number, since it uses less digits than its factorization.
390295043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39516.
The product of its (nonzero) digits is 29160, while the sum is 35.
The square root of 390295043 is about 19755.8862873828. The cubic root of 390295043 is about 730.7985525477.
The spelling of 390295043 in words is "three hundred ninety million, two hundred ninety-five thousand, forty-three".
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