Base | Representation |
---|---|
bin | 1011100111101… |
… | …1111001101001 |
3 | 10101201100110000 |
4 | 2321323321221 |
5 | 44434220433 |
6 | 4500413213 |
7 | 1131204636 |
oct | 271737151 |
9 | 111640400 |
10 | 48741993 |
11 | 25571643 |
12 | 143a7209 |
13 | a137921 |
14 | 668b18d |
15 | 442c113 |
hex | 2e7be69 |
48741993 has 20 divisors (see below), whose sum is σ = 73115460. Its totient is φ = 32359392.
The previous prime is 48741983. The next prime is 48742003. The reversal of 48741993 is 39914784.
It is an interprime number because it is at equal distance from previous prime (48741983) and next prime (48742003).
It can be written as a sum of positive squares in 2 ways, for example, as 19289664 + 29452329 = 4392^2 + 5427^2 .
It is not a de Polignac number, because 48741993 - 24 = 48741977 is a prime.
It is a super-2 number, since 2×487419932 = 4751563763224098, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (48741943) 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 19 ways as a sum of consecutive naturals, for example, 20671 + ... + 22907.
It is an arithmetic number, because the mean of its divisors is an integer number (3655773).
Almost surely, 248741993 is an apocalyptic number.
It is an amenable number.
48741993 is a deficient number, since it is larger than the sum of its proper divisors (24373467).
48741993 is a wasteful number, since it uses less digits than its factorization.
48741993 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2518 (or 2509 counting only the distinct ones).
The product of its digits is 217728, while the sum is 45.
The square root of 48741993 is about 6981.5466051585. The cubic root of 48741993 is about 365.2871775084.
The spelling of 48741993 in words is "forty-eight million, seven hundred forty-one thousand, nine hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •