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489710693 = 19216111927
BaseRepresentation
bin11101001100000…
…110010001100101
31021010110212210002
4131030012101211
52000331220233
6120332111045
715064320653
oct3514062145
91233425702
10489710693
1123147998a
12118005485
137a5c1954
1449077dd3
152ced46e8
hex1d306465

489710693 has 8 divisors (see below), whose sum is σ = 515766720. Its totient is φ = 463682880.

The previous prime is 489710659. The next prime is 489710713. The reversal of 489710693 is 396017984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 489710693 - 26 = 489710629 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 (489710093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35096 + ... + 47022.

It is an arithmetic number, because the mean of its divisors is an integer number (64470840).

Almost surely, 2489710693 is an apocalyptic number.

It is an amenable number.

489710693 is a deficient number, since it is larger than the sum of its proper divisors (26056027).

489710693 is a wasteful number, since it uses less digits than its factorization.

489710693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14107.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 489710693 is about 22129.4078773021. The cubic root of 489710693 is about 788.2183279569.

The spelling of 489710693 in words is "four hundred eighty-nine million, seven hundred ten thousand, six hundred ninety-three".

Divisors: 1 19 2161 11927 41059 226613 25774247 489710693