Base | Representation |
---|---|
bin | 1100110001011… |
… | …11101001101011 |
3 | 21110121210001222 |
4 | 12120233221223 |
5 | 204412244211 |
6 | 14344332255 |
7 | 2440521320 |
oct | 630575153 |
9 | 243553058 |
10 | 107149931 |
11 | 55535369 |
12 | 2ba7408b |
13 | 19278035 |
14 | 10332b47 |
15 | 96181db |
hex | 662fa6b |
107149931 has 8 divisors (see below), whose sum is σ = 122596320. Its totient is φ = 91738368.
The previous prime is 107149927. The next prime is 107149961. The reversal of 107149931 is 139941701.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 107149931 - 22 = 107149927 is a prime.
It is a super-2 number, since 2×1071499312 = 22962215426609522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 107149891 and 107149900.
It is not an unprimeable number, because it can be changed into a prime (107149901) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1736 + ... + 14741.
It is an arithmetic number, because the mean of its divisors is an integer number (15324540).
Almost surely, 2107149931 is an apocalyptic number.
107149931 is a deficient number, since it is larger than the sum of its proper divisors (15446389).
107149931 is an equidigital number, since it uses as much as digits as its factorization.
107149931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17413.
The product of its (nonzero) digits is 6804, while the sum is 35.
The square root of 107149931 is about 10351.3250842585. The cubic root of 107149931 is about 474.9675782118.
The spelling of 107149931 in words is "one hundred seven million, one hundred forty-nine thousand, nine hundred thirty-one".
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