Search a number
-
+
2247069 = 311149457
BaseRepresentation
bin1000100100100110011101
311020011101210
420210212131
51033401234
6120055033
725046136
oct10444635
94204353
102247069
1112a5290
12904479
13608a36
14426c8d
152e5be9
hex22499d

2247069 has 16 divisors (see below), whose sum is σ = 3297600. Its totient is φ = 1349760.

The previous prime is 2247067. The next prime is 2247083. The reversal of 2247069 is 9607422.

It is a happy number.

It is not a de Polignac number, because 2247069 - 21 = 2247067 is a prime.

It is a super-2 number, since 2×22470692 = 10098638181522, which contains 22 as substring.

2247069 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2247067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4689 + ... + 5145.

It is an arithmetic number, because the mean of its divisors is an integer number (206100).

22247069 is an apocalyptic number.

It is an amenable number.

2247069 is a deficient number, since it is larger than the sum of its proper divisors (1050531).

2247069 is a wasteful number, since it uses less digits than its factorization.

2247069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 2247069 is about 1499.0226816163. The cubic root of 2247069 is about 130.9801457780.

The spelling of 2247069 in words is "two million, two hundred forty-seven thousand, sixty-nine".

Divisors: 1 3 11 33 149 447 457 1371 1639 4917 5027 15081 68093 204279 749023 2247069