| Base | Representation |
|---|---|
| bin | 11111001010011… |
| … | …01001101110000 |
| 3 | 200012220002102200 |
| 4 | 33211031031300 |
| 5 | 1013410133241 |
| 6 | 41534543200 |
| 7 | 6322651140 |
| oct | 1745151560 |
| 9 | 605802380 |
| 10 | 261411696 |
| 11 | 124618527 |
| 12 | 73667b00 |
| 13 | 422099a0 |
| 14 | 26a0a920 |
| 15 | 17e3a4b6 |
| hex | f94d370 |
261411696 has 120 divisors (see below), whose sum is σ = 900463200. Its totient is φ = 68940288.
The previous prime is 261411691. The next prime is 261411701. The reversal of 261411696 is 696114162.
It is an interprime number because it is at equal distance from previous prime (261411691) and next prime (261411701).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 261411696.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (261411691) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3130 + ... + 23078.
It is an arithmetic number, because the mean of its divisors is an integer number (7503860).
Almost surely, 2261411696 is an apocalyptic number.
261411696 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 261411696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450231600).
261411696 is an abundant number, since it is smaller than the sum of its proper divisors (639051504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
261411696 is a wasteful number, since it uses less digits than its factorization.
261411696 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19983 (or 19974 counting only the distinct ones).
The product of its digits is 15552, while the sum is 36.
The square root of 261411696 is about 16168.2310720746. The cubic root of 261411696 is about 639.4034936835.
The spelling of 261411696 in words is "two hundred sixty-one million, four hundred eleven thousand, six hundred ninety-six".
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