Base | Representation |
---|---|
bin | 11101001000100… |
… | …101010110011001 |
3 | 1021001202002000011 |
4 | 131020211112121 |
5 | 2000112230101 |
6 | 120300241521 |
7 | 15053432662 |
oct | 3510452631 |
9 | 1231662004 |
10 | 488789401 |
11 | 2309aa791 |
12 | 1178402a1 |
13 | 7a35b4c9 |
14 | 48cb8369 |
15 | 2cda1751 |
hex | 1d225599 |
488789401 has 4 divisors (see below), whose sum is σ = 496802404. Its totient is φ = 480776400.
The previous prime is 488789387. The next prime is 488789443. The reversal of 488789401 is 104987884.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 83814025 + 404975376 = 9155^2 + 20124^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-488789401 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (488789201) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4006410 + ... + 4006531.
It is an arithmetic number, because the mean of its divisors is an integer number (124200601).
Almost surely, 2488789401 is an apocalyptic number.
It is an amenable number.
488789401 is a deficient number, since it is larger than the sum of its proper divisors (8013003).
488789401 is an equidigital number, since it uses as much as digits as its factorization.
488789401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8013002.
The product of its (nonzero) digits is 516096, while the sum is 49.
The square root of 488789401 is about 22108.5820666998. The cubic root of 488789401 is about 787.7237263391.
The spelling of 488789401 in words is "four hundred eighty-eight million, seven hundred eighty-nine thousand, four hundred one".
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