Base | Representation |
---|---|
bin | 11110100011010… |
… | …01010100010011 |
3 | 122212020120110011 |
4 | 33101221110103 |
5 | 1011102041143 |
6 | 41233015351 |
7 | 6231243310 |
oct | 1721512423 |
9 | 585216404 |
10 | 256283923 |
11 | 1217359a5 |
12 | 719b4557 |
13 | 411329bc |
14 | 26073d07 |
15 | 17775e9d |
hex | f469513 |
256283923 has 8 divisors (see below), whose sum is σ = 294154848. Its totient is φ = 218727744.
The previous prime is 256283897. The next prime is 256283953. The reversal of 256283923 is 329382652.
It is a happy number.
256283923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 256283923 - 225 = 222729491 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (256283953) 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, 76936 + ... + 80197.
It is an arithmetic number, because the mean of its divisors is an integer number (36769356).
Almost surely, 2256283923 is an apocalyptic number.
256283923 is a deficient number, since it is larger than the sum of its proper divisors (37870925).
256283923 is a wasteful number, since it uses less digits than its factorization.
256283923 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 157373.
The product of its digits is 155520, while the sum is 40.
The square root of 256283923 is about 16008.8701350220. The cubic root of 256283923 is about 635.1950734704.
The spelling of 256283923 in words is "two hundred fifty-six million, two hundred eighty-three thousand, nine hundred twenty-three".
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