Base | Representation |
---|---|
bin | 11110100110110… |
… | …10001011011100 |
3 | 122220010001120200 |
4 | 33103122023130 |
5 | 1011211334304 |
6 | 41250543500 |
7 | 6235210131 |
oct | 1723321334 |
9 | 586101520 |
10 | 256746204 |
11 | 121a21250 |
12 | 71b97b90 |
13 | 41265240 |
14 | 26154588 |
15 | 17817e39 |
hex | f4da2dc |
256746204 has 144 divisors (see below), whose sum is σ = 777669984. Its totient is φ = 70387200.
The previous prime is 256746199. The next prime is 256746209. The reversal of 256746204 is 402647652.
256746204 is a `hidden beast` number, since 25 + 6 + 7 + 4 + 620 + 4 = 666.
It is an interprime number because it is at equal distance from previous prime (256746199) and next prime (256746209).
It is a super-2 number, since 2×2567462042 = 131837226536819232, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (256746209) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 272374 + ... + 273314.
It is an arithmetic number, because the mean of its divisors is an integer number (5400486).
Almost surely, 2256746204 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 256746204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388834992).
256746204 is an abundant number, since it is smaller than the sum of its proper divisors (520923780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
256746204 is a wasteful number, since it uses less digits than its factorization.
256746204 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1028 (or 1023 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 36.
The square root of 256746204 is about 16023.3019069104. The cubic root of 256746204 is about 635.5767624366.
It can be divided in two parts, 25674 and 6204, that added together give a triangular number (31878 = T252).
The spelling of 256746204 in words is "two hundred fifty-six million, seven hundred forty-six thousand, two hundred four".
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