Base | Representation |
---|---|
bin | 11101000101100… |
… | …100101011010111 |
3 | 1021000020222110001 |
4 | 131011210223113 |
5 | 1444412001330 |
6 | 120231312131 |
7 | 15043635103 |
oct | 3505445327 |
9 | 1230228401 |
10 | 488000215 |
11 | 23051086a |
12 | 11751b647 |
13 | 7a143231 |
14 | 48b50903 |
15 | 2cc979ca |
hex | 1d164ad7 |
488000215 has 16 divisors (see below), whose sum is σ = 636809472. Its totient is φ = 357502464.
The previous prime is 488000213. The next prime is 488000239. The reversal of 488000215 is 512000884.
It is a cyclic number.
It is not a de Polignac number, because 488000215 - 21 = 488000213 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (488000213) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74439 + ... + 80728.
It is an arithmetic number, because the mean of its divisors is an integer number (39800592).
Almost surely, 2488000215 is an apocalyptic number.
488000215 is a deficient number, since it is larger than the sum of its proper divisors (148809257).
488000215 is a wasteful number, since it uses less digits than its factorization.
488000215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155226.
The product of its (nonzero) digits is 2560, while the sum is 28.
The square root of 488000215 is about 22090.7269006703. The cubic root of 488000215 is about 787.2995522416.
The spelling of 488000215 in words is "four hundred eighty-eight million, two hundred fifteen", and thus it is an aban number.
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