Base | Representation |
---|---|
bin | 1011100000101… |
… | …1000100010111 |
3 | 10100211212110220 |
4 | 2320023010113 |
5 | 44324423311 |
6 | 4442445423 |
7 | 1124241345 |
oct | 270130427 |
9 | 110755426 |
10 | 48279831 |
11 | 25286396 |
12 | 14203873 |
13 | a005462 |
14 | 65aa995 |
15 | 438a206 |
hex | 2e0b117 |
48279831 has 8 divisors (see below), whose sum is σ = 64542720. Its totient is φ = 32101752.
The previous prime is 48279827. The next prime is 48279839. The reversal of 48279831 is 13897284.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 48279831 - 22 = 48279827 is a prime.
It is a super-2 number, since 2×482798312 = 4661884162777122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48279839) 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, 19861 + ... + 22158.
It is an arithmetic number, because the mean of its divisors is an integer number (8067840).
Almost surely, 248279831 is an apocalyptic number.
48279831 is a deficient number, since it is larger than the sum of its proper divisors (16262889).
48279831 is a wasteful number, since it uses less digits than its factorization.
48279831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42405.
The product of its digits is 96768, while the sum is 42.
The square root of 48279831 is about 6948.3689452993. The cubic root of 48279831 is about 364.1289820848.
The spelling of 48279831 in words is "forty-eight million, two hundred seventy-nine thousand, eight hundred thirty-one".
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