Base | Representation |
---|---|
bin | 11111101101000111001010 |
3 | 120122020212210 |
4 | 133231013022 |
5 | 4111424432 |
6 | 454045550 |
7 | 130434012 |
oct | 37550712 |
9 | 16566783 |
10 | 8311242 |
11 | 47673a5 |
12 | 29498b6 |
13 | 194ccc4 |
14 | 1164c42 |
15 | ae28cc |
hex | 7ed1ca |
8311242 has 16 divisors (see below), whose sum is σ = 16745472. Its totient is φ = 2749920.
The previous prime is 8311241. The next prime is 8311243. The reversal of 8311242 is 2421138.
It is an interprime number because it is at equal distance from previous prime (8311241) and next prime (8311243).
It is not an unprimeable number, because it can be changed into a prime (8311241) 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, 4234 + ... + 5877.
It is an arithmetic number, because the mean of its divisors is an integer number (1046592).
Almost surely, 28311242 is an apocalyptic number.
8311242 is an abundant number, since it is smaller than the sum of its proper divisors (8434230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8311242 is a wasteful number, since it uses less digits than its factorization.
8311242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10253.
The product of its digits is 384, while the sum is 21.
The square root of 8311242 is about 2882.9224755446. The cubic root of 8311242 is about 202.5607560418.
It can be divided in two parts, 83 and 11242, that added together give a triangular number (11325 = T150).
The spelling of 8311242 in words is "eight million, three hundred eleven thousand, two hundred forty-two".
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