Base | Representation |
---|---|
bin | 1011011101101… |
… | …0101110001000 |
3 | 10100110210211102 |
4 | 2313122232020 |
5 | 44302104200 |
6 | 4434320532 |
7 | 1122455114 |
oct | 267325610 |
9 | 110423742 |
10 | 48081800 |
11 | 25160628 |
12 | 14129148 |
13 | 9c66290 |
14 | 6558744 |
15 | 434b6d5 |
hex | 2ddab88 |
48081800 has 48 divisors (see below), whose sum is σ = 120395940. Its totient is φ = 17752320.
The previous prime is 48081779. The next prime is 48081821. The reversal of 48081800 is 818084.
It is an interprime number because it is at equal distance from previous prime (48081779) and next prime (48081821).
It can be written as a sum of positive squares in 6 ways, for example, as 7300804 + 40780996 = 2702^2 + 6386^2 .
It is a super-3 number, since 3×480818003 (a number of 24 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6647 + ... + 11846.
Almost surely, 248081800 is an apocalyptic number.
48081800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
48081800 is an abundant number, since it is smaller than the sum of its proper divisors (72314140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48081800 is a wasteful number, since it uses less digits than its factorization.
48081800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18522 (or 18513 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 29.
The square root of 48081800 is about 6934.1041238216. The cubic root of 48081800 is about 363.6304464946.
Adding to 48081800 its reverse (818084), we get a palindrome (48899884).
The spelling of 48081800 in words is "forty-eight million, eighty-one thousand, eight hundred".
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