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2750530249 = 17947170851
BaseRepresentation
bin1010001111110001…
…1100001011001001
321002200121102011201
42203330130023021
521113113431444
61132533224201
7125106056425
oct24374341311
97080542151
102750530249
11119166a0a5
12649192061
1334aac92bc
141c1427b85
15111716dd4
hexa3f1c2c9

2750530249 has 8 divisors (see below), whose sum is σ = 2915418528. Its totient is φ = 2585985600.

The previous prime is 2750530219. The next prime is 2750530261. The reversal of 2750530249 is 9420350572.

2750530249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2750530249 - 223 = 2742141641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2750530219) 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, 69327 + ... + 101524.

It is an arithmetic number, because the mean of its divisors is an integer number (364427316).

Almost surely, 22750530249 is an apocalyptic number.

It is an amenable number.

2750530249 is a deficient number, since it is larger than the sum of its proper divisors (164888279).

2750530249 is a wasteful number, since it uses less digits than its factorization.

2750530249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171815.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 2750530249 is about 52445.4978906674. The cubic root of 2750530249 is about 1401.1097067258.

The spelling of 2750530249 in words is "two billion, seven hundred fifty million, five hundred thirty thousand, two hundred forty-nine".

Divisors: 1 17 947 16099 170851 2904467 161795897 2750530249