Base | Representation |
---|---|
bin | 1011011111110… |
… | …1110100101101 |
3 | 10100202010001122 |
4 | 2313331310231 |
5 | 44321204311 |
6 | 4441350325 |
7 | 1123624235 |
oct | 267756455 |
9 | 110663048 |
10 | 48225581 |
11 | 25249658 |
12 | 141983a5 |
13 | 9cb6861 |
14 | 6594cc5 |
15 | 43790db |
hex | 2dfdd2d |
48225581 has 6 divisors (see below), whose sum is σ = 48773646. Its totient is φ = 47679000.
The previous prime is 48225577. The next prime is 48225589. The reversal of 48225581 is 18552284.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 47748100 + 477481 = 6910^2 + 691^2 .
It is not a de Polignac number, because 48225581 - 22 = 48225577 is a prime.
It is a super-2 number, since 2×482255812 = 4651413325575122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48225589) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69446 + ... + 70136.
It is an arithmetic number, because the mean of its divisors is an integer number (8128941).
Almost surely, 248225581 is an apocalyptic number.
It is an amenable number.
48225581 is a deficient number, since it is larger than the sum of its proper divisors (548065).
48225581 is an frugal number, since it uses more digits than its factorization.
48225581 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1483 (or 792 counting only the distinct ones).
The product of its digits is 25600, while the sum is 35.
The square root of 48225581 is about 6944.4640541945. The cubic root of 48225581 is about 363.9925455343.
The spelling of 48225581 in words is "forty-eight million, two hundred twenty-five thousand, five hundred eighty-one".
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