| Base | Representation |
|---|---|
| bin | 11111001010110… |
| … | …01110100111100 |
| 3 | 200012222201022000 |
| 4 | 33211121310330 |
| 5 | 1013413311411 |
| 6 | 41540022300 |
| 7 | 6323254560 |
| oct | 1745316474 |
| 9 | 605881260 |
| 10 | 261463356 |
| 11 | 124653320 |
| 12 | 73691990 |
| 13 | 4222735b |
| 14 | 26a216a0 |
| 15 | 17e4a956 |
| hex | f959d3c |
261463356 has 192 divisors, whose sum is σ = 882524160. Its totient is φ = 64912320.
The previous prime is 261463343. The next prime is 261463387. The reversal of 261463356 is 653364162.
261463356 is a `hidden beast` number, since 2 + 6 + 14 + 633 + 5 + 6 = 666.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 261463356.
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 63 ways as a sum of consecutive naturals, for example, 190585 + ... + 191951.
It is an arithmetic number, because the mean of its divisors is an integer number (4596480).
Almost surely, 2261463356 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 261463356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441262080).
261463356 is an abundant number, since it is smaller than the sum of its proper divisors (621060804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
261463356 is a wasteful number, since it uses less digits than its factorization.
261463356 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1421 (or 1413 counting only the distinct ones).
The product of its digits is 77760, while the sum is 36.
The square root of 261463356 is about 16169.8285705198. The cubic root of 261463356 is about 639.4456104025.
It can be divided in two parts, 2614633 and 56, that added together give a square (2614689 = 16172).
The spelling of 261463356 in words is "two hundred sixty-one million, four hundred sixty-three thousand, three hundred fifty-six".
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