Base | Representation |
---|---|
bin | 1001101110010… |
… | …0000111000110 |
3 | 2211201211221220 |
4 | 2123210013012 |
5 | 40414431410 |
6 | 4014021210 |
7 | 1003424541 |
oct | 233440706 |
9 | 84654856 |
10 | 40780230 |
11 | 21023877 |
12 | 117a7806 |
13 | 85aaa1a |
14 | 55b7858 |
15 | 38a8070 |
hex | 26e41c6 |
40780230 has 32 divisors (see below), whose sum is σ = 98085600. Its totient is φ = 10851072.
The previous prime is 40780183. The next prime is 40780241. The reversal of 40780230 is 3208704.
It is a self number, because there is not a number n which added to its sum of digits gives 40780230.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15876 + ... + 18264.
It is an arithmetic number, because the mean of its divisors is an integer number (3065175).
Almost surely, 240780230 is an apocalyptic number.
40780230 is an abundant number, since it is smaller than the sum of its proper divisors (57305370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40780230 is a wasteful number, since it uses less digits than its factorization.
40780230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2968.
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 40780230 is about 6385.9400247732. The cubic root of 40780230 is about 344.2045104013.
Adding to 40780230 its reverse (3208704), we get a palindrome (43988934).
The spelling of 40780230 in words is "forty million, seven hundred eighty thousand, two hundred thirty".
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