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2744572945 = 51891729017
BaseRepresentation
bin1010001110010110…
…1101110000010001
321002021101202021211
42203211231300101
521110102313240
61132201420121
7125004325252
oct24345556021
97067352254
102744572945
111189270304
1264719a641
133497c187a
141c0716b29
15110e3bbea
hexa396dc11

2744572945 has 8 divisors (see below), whose sum is σ = 3293775144. Its totient is φ = 2195466624.

The previous prime is 2744572921. The next prime is 2744572951. The reversal of 2744572945 is 5492754472.

It can be written as a sum of positive squares in 4 ways, for example, as 265429264 + 2479143681 = 16292^2 + 49791^2 .

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 2744572945 - 211 = 2744570897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80077 + ... + 109093.

It is an arithmetic number, because the mean of its divisors is an integer number (411721893).

Almost surely, 22744572945 is an apocalyptic number.

It is an amenable number.

2744572945 is a deficient number, since it is larger than the sum of its proper divisors (549202199).

2744572945 is a wasteful number, since it uses less digits than its factorization.

2744572945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47939.

The product of its digits is 2822400, while the sum is 49.

The square root of 2744572945 is about 52388.6719148329. The cubic root of 2744572945 is about 1400.0974328449.

The spelling of 2744572945 in words is "two billion, seven hundred forty-four million, five hundred seventy-two thousand, nine hundred forty-five".

Divisors: 1 5 18917 29017 94585 145085 548914589 2744572945