Search a number
-
+
488679371 = 1693288647
BaseRepresentation
bin11101001000001…
…010011111001011
31021001112111001222
4131020022133023
52000100214441
6120254032255
715052464125
oct3510123713
91231474058
10488679371
11230935054
121177a868b
137a3203bb
1448c8a215
152cd7dd4b
hex1d20a7cb

488679371 has 4 divisors (see below), whose sum is σ = 488969712. Its totient is φ = 488389032.

The previous prime is 488679353. The next prime is 488679409. The reversal of 488679371 is 173976884.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 488679371 - 214 = 488662987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (488679571) 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, 142631 + ... + 146016.

It is an arithmetic number, because the mean of its divisors is an integer number (122242428).

Almost surely, 2488679371 is an apocalyptic number.

488679371 is a deficient number, since it is larger than the sum of its proper divisors (290341).

488679371 is a wasteful number, since it uses less digits than its factorization.

488679371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290340.

The product of its digits is 2032128, while the sum is 53.

The square root of 488679371 is about 22106.0935264465. The cubic root of 488679371 is about 787.6646144831.

The spelling of 488679371 in words is "four hundred eighty-eight million, six hundred seventy-nine thousand, three hundred seventy-one".

Divisors: 1 1693 288647 488679371