Base | Representation |
---|---|
bin | 11101000110110… |
… | …110001100111010 |
3 | 1021000212221111120 |
4 | 131012312030322 |
5 | 2000003143023 |
6 | 120242410110 |
7 | 15046525455 |
oct | 3506661472 |
9 | 1230787446 |
10 | 488334138 |
11 | 230719736 |
12 | 117660936 |
13 | 7a22c216 |
14 | 48bda49c |
15 | 2cd118e3 |
hex | 1d1b633a |
488334138 has 8 divisors (see below), whose sum is σ = 976668288. Its totient is φ = 162778044.
The previous prime is 488334131. The next prime is 488334167. The reversal of 488334138 is 831433884.
It is a sphenic number, since it is the product of 3 distinct primes.
488334138 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 488334138.
It is not an unprimeable number, because it can be changed into a prime (488334131) 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, 40694506 + ... + 40694517.
It is an arithmetic number, because the mean of its divisors is an integer number (122083536).
Almost surely, 2488334138 is an apocalyptic number.
488334138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
488334138 is a wasteful number, since it uses less digits than its factorization.
488334138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81389028.
The product of its digits is 221184, while the sum is 42.
The square root of 488334138 is about 22098.2835985060. The cubic root of 488334138 is about 787.4790859651.
The spelling of 488334138 in words is "four hundred eighty-eight million, three hundred thirty-four thousand, one hundred thirty-eight".
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