Base | Representation |
---|---|
bin | 1010001100011… |
… | …1110100000000 |
3 | 2222110111201020 |
4 | 2203013310000 |
5 | 41421331342 |
6 | 4124305440 |
7 | 1026316005 |
oct | 243076400 |
9 | 88414636 |
10 | 42761472 |
11 | 22157366 |
12 | 123a2280 |
13 | 8b22760 |
14 | 59718ac |
15 | 3b4a0ec |
hex | 28c7d00 |
42761472 has 72 divisors (see below), whose sum is σ = 122590944. Its totient is φ = 13154304.
The previous prime is 42761417. The next prime is 42761473. The reversal of 42761472 is 27416724.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42761473) 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, 7843 + ... + 12125.
It is an arithmetic number, because the mean of its divisors is an integer number (1702652).
Almost surely, 242761472 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42761472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61295472).
42761472 is an abundant number, since it is smaller than the sum of its proper divisors (79829472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42761472 is a wasteful number, since it uses less digits than its factorization.
42761472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4315 (or 4301 counting only the distinct ones).
The product of its digits is 18816, while the sum is 33.
The square root of 42761472 is about 6539.2256422301. The cubic root of 42761472 is about 349.6908072092.
The spelling of 42761472 in words is "forty-two million, seven hundred sixty-one thousand, four hundred seventy-two".
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