Base | Representation |
---|---|
bin | 1011111001010… |
… | …10011000111101 |
3 | 20221202202212210 |
4 | 11330222120331 |
5 | 201021211344 |
6 | 13522451033 |
7 | 2321121063 |
oct | 574523075 |
9 | 227682783 |
10 | 99788349 |
11 | 51367511 |
12 | 29503a79 |
13 | 1789b37b |
14 | d378033 |
15 | 8b61db9 |
hex | 5f2a63d |
99788349 has 16 divisors (see below), whose sum is σ = 137631744. Its totient is φ = 64244400.
The previous prime is 99788321. The next prime is 99788363. The reversal of 99788349 is 94388799.
It is not a de Polignac number, because 99788349 - 217 = 99657277 is a prime.
It is a super-2 number, since 2×997883492 = 19915429192291602, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (99781349) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62734 + ... + 64304.
It is an arithmetic number, because the mean of its divisors is an integer number (8601984).
Almost surely, 299788349 is an apocalyptic number.
It is an amenable number.
99788349 is a deficient number, since it is larger than the sum of its proper divisors (37843395).
99788349 is a wasteful number, since it uses less digits than its factorization.
99788349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2288.
The product of its digits is 3919104, while the sum is 57.
The square root of 99788349 is about 9989.4118445482. The cubic root of 99788349 is about 463.8311864217.
The spelling of 99788349 in words is "ninety-nine million, seven hundred eighty-eight thousand, three hundred forty-nine".
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