Base | Representation |
---|---|
bin | 1010001011111… |
… | …1001010111000 |
3 | 2222101201011010 |
4 | 2202333022320 |
5 | 41414213242 |
6 | 4123433520 |
7 | 1026110544 |
oct | 242771270 |
9 | 88351133 |
10 | 42726072 |
11 | 22132804 |
12 | 123858a0 |
13 | 8b0c5cc |
14 | 5962a24 |
15 | 3b3e89c |
hex | 28bf2b8 |
42726072 has 16 divisors (see below), whose sum is σ = 106815240. Its totient is φ = 14242016.
The previous prime is 42726037. The next prime is 42726107. The reversal of 42726072 is 27062724.
It is an interprime number because it is at equal distance from previous prime (42726037) and next prime (42726107).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890103 + ... + 890150.
Almost surely, 242726072 is an apocalyptic number.
It is an amenable number.
42726072 is an abundant number, since it is smaller than the sum of its proper divisors (64089168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42726072 is a wasteful number, since it uses less digits than its factorization.
42726072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1780262 (or 1780258 counting only the distinct ones).
The product of its (nonzero) digits is 9408, while the sum is 30.
The square root of 42726072 is about 6536.5183392996. The cubic root of 42726072 is about 349.5942836210.
Adding to 42726072 its reverse (27062724), we get a palindrome (69788796).
The spelling of 42726072 in words is "forty-two million, seven hundred twenty-six thousand, seventy-two".
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