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488694589 = 1300137589
BaseRepresentation
bin11101001000001…
…110001100111101
31021001120020221121
4131020032030331
52000101211324
6120254230541
715052556365
oct3510161475
91231506847
10488694589
11230945529
121177b5451
137a3272c6
1448c919a5
152cd835e4
hex1d20e33d

488694589 has 4 divisors (see below), whose sum is σ = 488745180. Its totient is φ = 488644000.

The previous prime is 488694559. The next prime is 488694629. The reversal of 488694589 is 985496884.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 128074489 + 360620100 = 11317^2 + 18990^2 .

It is a cyclic number.

It is not a de Polignac number, because 488694589 - 221 = 486597437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488694559) 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, 5794 + ... + 31795.

It is an arithmetic number, because the mean of its divisors is an integer number (122186295).

Almost surely, 2488694589 is an apocalyptic number.

It is an amenable number.

488694589 is a deficient number, since it is larger than the sum of its proper divisors (50591).

488694589 is a wasteful number, since it uses less digits than its factorization.

488694589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50590.

The product of its digits is 19906560, while the sum is 61.

The square root of 488694589 is about 22106.4377275037. The cubic root of 488694589 is about 787.6727906387.

The spelling of 488694589 in words is "four hundred eighty-eight million, six hundred ninety-four thousand, five hundred eighty-nine".

Divisors: 1 13001 37589 488694589