Base | Representation |
---|---|
bin | 1100100010100… |
… | …11001100100010 |
3 | 21022221122000221 |
4 | 12101103030202 |
5 | 203412321440 |
6 | 14234433254 |
7 | 2415112534 |
oct | 621231442 |
9 | 238848027 |
10 | 105198370 |
11 | 54422102 |
12 | 2b29282a |
13 | 18a43974 |
14 | dd85854 |
15 | 937ed4a |
hex | 6453322 |
105198370 has 16 divisors (see below), whose sum is σ = 195887160. Its totient is φ = 40628224.
The previous prime is 105198349. The next prime is 105198377. The reversal of 105198370 is 73891501.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 63091249 + 42107121 = 7943^2 + 6489^2 .
It is a super-4 number, since 4×1051983704 (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (105198377) 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 7 ways as a sum of consecutive naturals, for example, 181087 + ... + 181666.
Almost surely, 2105198370 is an apocalyptic number.
105198370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
105198370 is a deficient number, since it is larger than the sum of its proper divisors (90688790).
105198370 is a wasteful number, since it uses less digits than its factorization.
105198370 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 362789.
The product of its (nonzero) digits is 7560, while the sum is 34.
The square root of 105198370 is about 10256.6256634431. The cubic root of 105198370 is about 472.0663060397.
The spelling of 105198370 in words is "one hundred five million, one hundred ninety-eight thousand, three hundred seventy".
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