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2489484789 = 321125146311
BaseRepresentation
bin1001010001100010…
…1000010111110101
320102111101221010100
42110120220113311
520044302003124
61051010144313
7115456162101
oct22430502765
96374357110
102489484789
111068281850
12595882099
133089ba22c
141988b4901
15e88501c9
hex946285f5

2489484789 has 12 divisors (see below), whose sum is σ = 3922824672. Its totient is φ = 1508778600.

The previous prime is 2489484779. The next prime is 2489484799. The reversal of 2489484789 is 9874849842.

2489484789 is a `hidden beast` number, since 2 + 4 + 89 + 484 + 78 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (2489484779) and next prime (2489484799).

It is not a de Polignac number, because 2489484789 - 24 = 2489484773 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489484749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12573057 + ... + 12573254.

It is an arithmetic number, because the mean of its divisors is an integer number (326902056).

Almost surely, 22489484789 is an apocalyptic number.

It is an amenable number.

2489484789 is a deficient number, since it is larger than the sum of its proper divisors (1433339883).

2489484789 is a wasteful number, since it uses less digits than its factorization.

2489484789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25146328 (or 25146325 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 63.

The square root of 2489484789 is about 49894.7370871919. The cubic root of 2489484789 is about 1355.3032892718.

The spelling of 2489484789 in words is "two billion, four hundred eighty-nine million, four hundred eighty-four thousand, seven hundred eighty-nine".

Divisors: 1 3 9 11 33 99 25146311 75438933 226316799 276609421 829828263 2489484789