Base | Representation |
---|---|
bin | 11101000111001… |
… | …101010101111001 |
3 | 1021001001202112001 |
4 | 131013031111321 |
5 | 2000014211141 |
6 | 120244421001 |
7 | 15050402011 |
oct | 3507152571 |
9 | 1231052461 |
10 | 488428921 |
11 | 230783972 |
12 | 1176a7761 |
13 | 7a2633c6 |
14 | 48c22c41 |
15 | 2cd2ea31 |
hex | 1d1cd579 |
488428921 has 8 divisors (see below), whose sum is σ = 518828544. Its totient is φ = 458214720.
The previous prime is 488428879. The next prime is 488428931. The reversal of 488428921 is 129824884.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 488428921 - 223 = 480040313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (488428931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40905 + ... + 51478.
It is an arithmetic number, because the mean of its divisors is an integer number (64853568).
Almost surely, 2488428921 is an apocalyptic number.
It is an amenable number.
488428921 is a deficient number, since it is larger than the sum of its proper divisors (30399623).
488428921 is a wasteful number, since it uses less digits than its factorization.
488428921 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 92711.
The product of its digits is 294912, while the sum is 46.
The square root of 488428921 is about 22100.4280727772. The cubic root of 488428921 is about 787.5300311383.
The spelling of 488428921 in words is "four hundred eighty-eight million, four hundred twenty-eight thousand, nine hundred twenty-one".
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