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2293739449 = 47210192
BaseRepresentation
bin1000100010110111…
…1010111110111001
312220212002000222221
42020231322332321
514144144130244
61015334444041
7110561315011
oct21055727671
95825060887
102293739449
11a77835441
12540203621
132a72926a1
1417a8bcc41
15d6586784
hex88b7afb9

2293739449 has 9 divisors (see below), whose sum is σ = 2345882917. Its totient is φ = 2242733404.

The previous prime is 2293739447. The next prime is 2293739521. The reversal of 2293739449 is 9449373922.

The square root of 2293739449 is 47893.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2293739449 - 21 = 2293739447 is a prime.

It is a super-2 number, since 2×22937394492 = 10522481319797647202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2293739396 and 2293739405.

It is not an unprimeable number, because it can be changed into a prime (2293739443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2250462 + ... + 2251480.

Almost surely, 22293739449 is an apocalyptic number.

2293739449 is the 47893-rd square number.

2293739449 is the 23947-th centered octagonal number.

It is an amenable number.

2293739449 is a deficient number, since it is larger than the sum of its proper divisors (52143468).

2293739449 is an frugal number, since it uses more digits than its factorization.

2293739449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132 (or 1066 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 52.

The cubic root of 2293739449 is about 1318.8073572861.

The spelling of 2293739449 in words is "two billion, two hundred ninety-three million, seven hundred thirty-nine thousand, four hundred forty-nine".

Divisors: 1 47 1019 2209 47893 1038361 2250971 48802967 2293739449