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489292117 = 1975924763
BaseRepresentation
bin11101001010100…
…000000101010101
31021002200121121021
4131022200011111
52000224321432
6120315121141
715060625426
oct3512400525
91232617537
10489292117
11231213456
12117a431b1
137a4a6282
1448da964d
152ce50697
hex1d2a0155

489292117 has 4 divisors (see below), whose sum is σ = 489336640. Its totient is φ = 489247596.

The previous prime is 489292103. The next prime is 489292129. The reversal of 489292117 is 711292984.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 489292117 - 27 = 489291989 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 (489292157) 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, 7378 + ... + 32140.

It is an arithmetic number, because the mean of its divisors is an integer number (122334160).

Almost surely, 2489292117 is an apocalyptic number.

It is an amenable number.

489292117 is a deficient number, since it is larger than the sum of its proper divisors (44523).

489292117 is a wasteful number, since it uses less digits than its factorization.

489292117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44522.

The product of its digits is 72576, while the sum is 43.

The square root of 489292117 is about 22119.9483950573. The cubic root of 489292117 is about 787.9936896649.

The spelling of 489292117 in words is "four hundred eighty-nine million, two hundred ninety-two thousand, one hundred seventeen".

Divisors: 1 19759 24763 489292117