| Base | Representation |
|---|---|
| bin | 1100101000101… |
| … | …00110011100000 |
| 3 | 21101102220212010 |
| 4 | 12110110303200 |
| 5 | 204113211032 |
| 6 | 14303432520 |
| 7 | 2424624543 |
| oct | 624246340 |
| 9 | 241386763 |
| 10 | 105991392 |
| 11 | 549139a1 |
| 12 | 2b5b5740 |
| 13 | 18c60900 |
| 14 | 1011085a |
| 15 | 9489ccc |
| hex | 6514ce0 |
105991392 has 144 divisors (see below), whose sum is σ = 309899520. Its totient is φ = 31689216.
The previous prime is 105991373. The next prime is 105991397. The reversal of 105991392 is 293199501.
It is a super-2 number, since 2×1059913922 = 22468350356195328, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a self number, because there is not a number n which added to its sum of digits gives 105991392.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105991397) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 762459 + ... + 762597.
It is an arithmetic number, because the mean of its divisors is an integer number (2152080).
Almost surely, 2105991392 is an apocalyptic number.
105991392 is a gapful number since it is divisible by the number (12) 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 105991392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154949760).
105991392 is an abundant number, since it is smaller than the sum of its proper divisors (203908128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105991392 is a wasteful number, since it uses less digits than its factorization.
105991392 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 225 (or 204 counting only the distinct ones).
The product of its (nonzero) digits is 21870, while the sum is 39.
The square root of 105991392 is about 10295.2120910645. The cubic root of 105991392 is about 473.2495379447.
The spelling of 105991392 in words is "one hundred five million, nine hundred ninety-one thousand, three hundred ninety-two".
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