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4989489 = 311231481
BaseRepresentation
bin10011000010001000110001
3100101111021220
4103002020301
52234130424
6254535253
760260421
oct23021061
910344256
104989489
1128a874a
121807529
13105907b
1493c481
15688579
hex4c2231

4989489 has 8 divisors (see below), whose sum is σ = 6663072. Its totient is φ = 3321120.

The previous prime is 4989469. The next prime is 4989499. The reversal of 4989489 is 9849894.

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

It is not a de Polignac number, because 4989489 - 216 = 4923953 is a prime.

It is a super-2 number, since 2×49894892 = 49790000962242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4989409) 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, 2629 + ... + 4109.

It is an arithmetic number, because the mean of its divisors is an integer number (832884).

Almost surely, 24989489 is an apocalyptic number.

It is an amenable number.

4989489 is a deficient number, since it is larger than the sum of its proper divisors (1673583).

4989489 is a wasteful number, since it uses less digits than its factorization.

4989489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607.

The product of its digits is 746496, while the sum is 51.

The square root of 4989489 is about 2233.7164099321. The cubic root of 4989489 is about 170.8776868905.

The spelling of 4989489 in words is "four million, nine hundred eighty-nine thousand, four hundred eighty-nine".

Divisors: 1 3 1123 1481 3369 4443 1663163 4989489