Base | Representation |
---|---|
bin | 10001010010100… |
… | …001010101001110 |
3 | 202012210222012111 |
4 | 101102201111032 |
5 | 1043224132130 |
6 | 44441054234 |
7 | 10121351455 |
oct | 2122412516 |
9 | 665728174 |
10 | 290067790 |
11 | 139810251 |
12 | 8118737a |
13 | 4813105c |
14 | 2a749b9c |
15 | 1a6eb02a |
hex | 114a154e |
290067790 has 32 divisors (see below), whose sum is σ = 544283424. Its totient is φ = 111196800.
The previous prime is 290067779. The next prime is 290067793. The reversal of 290067790 is 97760092.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (290067793) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18940 + ... + 30640.
It is an arithmetic number, because the mean of its divisors is an integer number (17008857).
Almost surely, 2290067790 is an apocalyptic number.
290067790 is a deficient number, since it is larger than the sum of its proper divisors (254215634).
290067790 is a wasteful number, since it uses less digits than its factorization.
290067790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11812.
The product of its (nonzero) digits is 47628, while the sum is 40.
The square root of 290067790 is about 17031.3766325567. The cubic root of 290067790 is about 661.9621665536.
The spelling of 290067790 in words is "two hundred ninety million, sixty-seven thousand, seven hundred ninety".
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