Base | Representation |
---|---|
bin | 1011101110100… |
… | …0110101100011 |
3 | 10102120000112000 |
4 | 2323220311203 |
5 | 100043010240 |
6 | 4514135043 |
7 | 1135043550 |
oct | 273506543 |
9 | 112500460 |
10 | 49188195 |
11 | 25846901 |
12 | 14581483 |
13 | a262a54 |
14 | 6765a27 |
15 | 44b9430 |
hex | 2ee8d63 |
49188195 has 32 divisors (see below), whose sum is σ = 99939840. Its totient is φ = 22485600.
The previous prime is 49188193. The next prime is 49188197. The reversal of 49188195 is 59188194.
49188195 = T1659 + T1660 + ... + T1693.
It is an interprime number because it is at equal distance from previous prime (49188193) and next prime (49188197).
It is not a de Polignac number, because 49188195 - 21 = 49188193 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 49188195.
It is not an unprimeable number, because it can be changed into a prime (49188193) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25081 + ... + 26970.
It is an arithmetic number, because the mean of its divisors is an integer number (3123120).
Almost surely, 249188195 is an apocalyptic number.
49188195 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
49188195 is an abundant number, since it is smaller than the sum of its proper divisors (50751645).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49188195 is a wasteful number, since it uses less digits than its factorization.
49188195 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52072 (or 52066 counting only the distinct ones).
The product of its digits is 103680, while the sum is 45.
The square root of 49188195 is about 7013.4296175266. The cubic root of 49188195 is about 366.3984507723.
Subtracting 49188195 from its reverse (59188194), we obtain a palindrome (9999999).
The spelling of 49188195 in words is "forty-nine million, one hundred eighty-eight thousand, one hundred ninety-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •