Base | Representation |
---|---|
bin | 1011111001010… |
… | …11000111011101 |
3 | 20221202220222000 |
4 | 11330223013131 |
5 | 201021310300 |
6 | 13522512513 |
7 | 2321132544 |
oct | 574530735 |
9 | 227686860 |
10 | 99791325 |
11 | 51369777 |
12 | 29505739 |
13 | 1789c82a |
14 | d37915b |
15 | 8b62c00 |
hex | 5f2b1dd |
99791325 has 96 divisors (see below), whose sum is σ = 199987200. Its totient is φ = 48600000.
The previous prime is 99791323. The next prime is 99791327. The reversal of 99791325 is 52319799.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (99791323) and next prime (99791327).
It is not a de Polignac number, because 99791325 - 21 = 99791323 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (99791323) by changing a digit.
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 95 ways as a sum of consecutive naturals, for example, 397450 + ... + 397700.
It is an arithmetic number, because the mean of its divisors is an integer number (2083200).
Almost surely, 299791325 is an apocalyptic number.
99791325 is a gapful number since it is divisible by the number (95) formed by its first and last digit.
It is an amenable number.
99791325 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
99791325 is a wasteful number, since it uses less digits than its factorization.
99791325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 320 (or 309 counting only the distinct ones).
The product of its digits is 153090, while the sum is 45.
The square root of 99791325 is about 9989.5608011564. The cubic root of 99791325 is about 463.8357973404.
The spelling of 99791325 in words is "ninety-nine million, seven hundred ninety-one thousand, three hundred twenty-five".
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