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2489674145 = 5771133547
BaseRepresentation
bin1001010001100101…
…0110100110100001
320102111202112212112
42110121112212201
520044324033040
61051014205105
7115460611130
oct22431264641
96374675775
102489674145
1110683a1042
12595953795
13308a5548a
14198923917
15e888b365
hex946569a1

2489674145 has 8 divisors (see below), whose sum is σ = 3414410304. Its totient is φ = 1707205104.

The previous prime is 2489674141. The next prime is 2489674147. The reversal of 2489674145 is 5414769842.

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 2489674145 - 22 = 2489674141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2489674093 and 2489674102.

It is not an unprimeable number, because it can be changed into a prime (2489674141) 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, 35566739 + ... + 35566808.

It is an arithmetic number, because the mean of its divisors is an integer number (426801288).

Almost surely, 22489674145 is an apocalyptic number.

It is an amenable number.

2489674145 is a deficient number, since it is larger than the sum of its proper divisors (924736159).

2489674145 is an equidigital number, since it uses as much as digits as its factorization.

2489674145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71133559.

The product of its digits is 1935360, while the sum is 50.

The square root of 2489674145 is about 49896.6346059531. The cubic root of 2489674145 is about 1355.3376509068.

The spelling of 2489674145 in words is "two billion, four hundred eighty-nine million, six hundred seventy-four thousand, one hundred forty-five".

Divisors: 1 5 7 35 71133547 355667735 497934829 2489674145