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489904927 = 8331118979
BaseRepresentation
bin11101001100110…
…101101100011111
31021010211202012221
4131030311230133
52000403424202
6120340210211
715066060151
oct3514655437
91233752187
10489904927
112315a1906
12118099967
137a65c195
14490c8ad1
152d022037
hex1d335b1f

489904927 has 8 divisors (see below), whose sum is σ = 497427840. Its totient is φ = 482420760.

The previous prime is 489904897. The next prime is 489904937. The reversal of 489904927 is 729409984.

It is a happy number.

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 489904927 - 211 = 489902879 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 (489904937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16324 + ... + 35302.

It is an arithmetic number, because the mean of its divisors is an integer number (62178480).

Almost surely, 2489904927 is an apocalyptic number.

489904927 is a deficient number, since it is larger than the sum of its proper divisors (7522913).

489904927 is a wasteful number, since it uses less digits than its factorization.

489904927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19373.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 489904927 is about 22133.7960368302. The cubic root of 489904927 is about 788.3225245531.

The spelling of 489904927 in words is "four hundred eighty-nine million, nine hundred four thousand, nine hundred twenty-seven".

Divisors: 1 83 311 18979 25813 1575257 5902469 489904927