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488034913 = 809603257
BaseRepresentation
bin11101000101101…
…101001001100001
31021000022202001011
4131011231021201
51444414104123
6120232140521
715044141212
oct3505551141
91230282034
10488034913
11230534943
12117537741
137a155c72
1448b5d409
152cca2e0d
hex1d16d261

488034913 has 4 divisors (see below), whose sum is σ = 488638980. Its totient is φ = 487430848.

The previous prime is 488034863. The next prime is 488034917. The reversal of 488034913 is 319430884.

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 343842849 + 144192064 = 18543^2 + 12008^2 .

It is a cyclic number.

It is not a de Polignac number, because 488034913 - 217 = 487903841 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (488034917) 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, 300820 + ... + 302437.

It is an arithmetic number, because the mean of its divisors is an integer number (122159745).

Almost surely, 2488034913 is an apocalyptic number.

It is an amenable number.

488034913 is a deficient number, since it is larger than the sum of its proper divisors (604067).

488034913 is an equidigital number, since it uses as much as digits as its factorization.

488034913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604066.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 488034913 is about 22091.5122388668. The cubic root of 488034913 is about 787.3182114358.

It can be divided in two parts, 4880 and 34913, that added together give a palindrome (39793).

The spelling of 488034913 in words is "four hundred eighty-eight million, thirty-four thousand, nine hundred thirteen".

Divisors: 1 809 603257 488034913