Base | Representation |
---|---|
bin | 1100110010000… |
… | …11011111101111 |
3 | 21110202220120111 |
4 | 12121003133233 |
5 | 204422344330 |
6 | 14350200451 |
7 | 2441310310 |
oct | 631033757 |
9 | 243686514 |
10 | 107231215 |
11 | 55590443 |
12 | 2bab3127 |
13 | 192a6030 |
14 | 10354607 |
15 | 963232a |
hex | 66437ef |
107231215 has 16 divisors (see below), whose sum is σ = 158372928. Its totient is φ = 67873536.
The previous prime is 107231209. The next prime is 107231219. The reversal of 107231215 is 512132701.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 107231215 - 221 = 105134063 is a prime.
It is a super-2 number, since 2×1072312152 = 22997066940752450, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (107231219) 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 15 ways as a sum of consecutive naturals, for example, 117382 + ... + 118291.
It is an arithmetic number, because the mean of its divisors is an integer number (9898308).
Almost surely, 2107231215 is an apocalyptic number.
107231215 is a deficient number, since it is larger than the sum of its proper divisors (51141713).
107231215 is a wasteful number, since it uses less digits than its factorization.
107231215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 235698.
The product of its (nonzero) digits is 420, while the sum is 22.
The square root of 107231215 is about 10355.2506005408. The cubic root of 107231215 is about 475.0876514148.
Adding to 107231215 its reverse (512132701), we get a palindrome (619363916).
The spelling of 107231215 in words is "one hundred seven million, two hundred thirty-one thousand, two hundred fifteen".
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