Base | Representation |
---|---|
bin | 11100101110011… |
… | …100101000010100 |
3 | 1020120211222120100 |
4 | 130232130220110 |
5 | 1441334003230 |
6 | 115453334100 |
7 | 14641255611 |
oct | 3456345024 |
9 | 1216758510 |
10 | 481937940 |
11 | 228050120 |
12 | 115497330 |
13 | 78accaa3 |
14 | 48013508 |
15 | 2c49b660 |
hex | 1cb9ca14 |
481937940 has 72 divisors (see below), whose sum is σ = 1594783008. Its totient is φ = 116832960.
The previous prime is 481937933. The next prime is 481937977. The reversal of 481937940 is 49739184.
It is a super-2 number, since 2×4819379402 = 464528356022887200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119722 + ... + 123681.
It is an arithmetic number, because the mean of its divisors is an integer number (22149764).
Almost surely, 2481937940 is an apocalyptic number.
It is an amenable number.
481937940 is an abundant number, since it is smaller than the sum of its proper divisors (1112845068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
481937940 is a wasteful number, since it uses less digits than its factorization.
481937940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 243429 (or 243424 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The square root of 481937940 is about 21953.0849768318. The cubic root of 481937940 is about 784.0258325689.
The spelling of 481937940 in words is "four hundred eighty-one million, nine hundred thirty-seven thousand, nine hundred forty".
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