Base | Representation |
---|---|
bin | 11011111100011… |
… | …111100101011000 |
3 | 1012200012200110122 |
4 | 123330133211120 |
5 | 1430010432330 |
6 | 114304532412 |
7 | 14422045514 |
oct | 3374374530 |
9 | 1180180418 |
10 | 468842840 |
11 | 220716624 |
12 | 111021108 |
13 | 761964cb |
14 | 463a5144 |
15 | 2b2615e5 |
hex | 1bf1f958 |
468842840 has 32 divisors (see below), whose sum is σ = 1056246480. Its totient is φ = 187297152.
The previous prime is 468842839. The next prime is 468842893. The reversal of 468842840 is 48248864.
It is a happy number.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 468842791 and 468842800.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25994 + ... + 40166.
Almost surely, 2468842840 is an apocalyptic number.
468842840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
468842840 is an abundant number, since it is smaller than the sum of its proper divisors (587403640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
468842840 is a wasteful number, since it uses less digits than its factorization.
468842840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15011 (or 15007 counting only the distinct ones).
The product of its (nonzero) digits is 393216, while the sum is 44.
The square root of 468842840 is about 21652.7790364193. The cubic root of 468842840 is about 776.8594076303.
The spelling of 468842840 in words is "four hundred sixty-eight million, eight hundred forty-two thousand, eight hundred forty".
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