Base | Representation |
---|---|
bin | 1011100111011… |
… | …1101101101000 |
3 | 10101200110220201 |
4 | 2321313231220 |
5 | 44433143330 |
6 | 4500201544 |
7 | 1131103633 |
oct | 271675550 |
9 | 111613821 |
10 | 48724840 |
11 | 2555a76a |
12 | 143992b4 |
13 | a12cb88 |
14 | 6684c1a |
15 | 4426eca |
hex | 2e77b68 |
48724840 has 16 divisors (see below), whose sum is σ = 109630980. Its totient is φ = 19489920.
The previous prime is 48724829. The next prime is 48724859. The reversal of 48724840 is 4842784.
It can be written as a sum of positive squares in 2 ways, for example, as 46158436 + 2566404 = 6794^2 + 1602^2 .
It is a super-2 number, since 2×487248402 = 4748220066051200, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 48724840.
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, 609021 + ... + 609100.
Almost surely, 248724840 is an apocalyptic number.
48724840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
48724840 is an abundant number, since it is smaller than the sum of its proper divisors (60906140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48724840 is a wasteful number, since it uses less digits than its factorization.
48724840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1218132 (or 1218128 counting only the distinct ones).
The product of its (nonzero) digits is 57344, while the sum is 37.
The square root of 48724840 is about 6980.3180443301. The cubic root of 48724840 is about 365.2443225646.
The spelling of 48724840 in words is "forty-eight million, seven hundred twenty-four thousand, eight hundred forty".
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