Base | Representation |
---|---|
bin | 11101000111111… |
… | …110011000110101 |
3 | 1021001102222002111 |
4 | 131013332120311 |
5 | 2000042123223 |
6 | 120253011021 |
7 | 15052166500 |
oct | 3507763065 |
9 | 1231388074 |
10 | 488629813 |
11 | 2309008a1 |
12 | 117783a71 |
13 | 7a303989 |
14 | 48c76137 |
15 | 2cd6e30d |
hex | 1d1fe635 |
488629813 has 24 divisors (see below), whose sum is σ = 583161984. Its totient is φ = 408038400.
The previous prime is 488629777. The next prime is 488629829. The reversal of 488629813 is 318926884.
It is not a de Polignac number, because 488629813 - 29 = 488629301 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (49).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (488629913) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 761973 + ... + 762613.
It is an arithmetic number, because the mean of its divisors is an integer number (24298416).
Almost surely, 2488629813 is an apocalyptic number.
It is an amenable number.
488629813 is a deficient number, since it is larger than the sum of its proper divisors (94532171).
488629813 is a wasteful number, since it uses less digits than its factorization.
488629813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1033 (or 1026 counting only the distinct ones).
The product of its digits is 663552, while the sum is 49.
The square root of 488629813 is about 22104.9725853709. The cubic root of 488629813 is about 787.6379873428.
The spelling of 488629813 in words is "four hundred eighty-eight million, six hundred twenty-nine thousand, eight hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •