Search a number
-
+
2247929 is a prime number
BaseRepresentation
bin1000100100110011111001
311020012120122
420210303321
51033413204
6120103025
725051505
oct10446371
94205518
102247929
1112a59a2
12904a75
13609248
14427305
152e60be
hex224cf9

2247929 has 2 divisors, whose sum is σ = 2247930. Its totient is φ = 2247928.

The previous prime is 2247923. The next prime is 2247941. The reversal of 2247929 is 9297422.

It is a happy number.

2247929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2036329 + 211600 = 1427^2 + 460^2 .

It is a cyclic number.

It is not a de Polignac number, because 2247929 - 24 = 2247913 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2247923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123964 + 1123965.

It is an arithmetic number, because the mean of its divisors is an integer number (1123965).

22247929 is an apocalyptic number.

It is an amenable number.

2247929 is a deficient number, since it is larger than the sum of its proper divisors (1).

2247929 is an equidigital number, since it uses as much as digits as its factorization.

2247929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 2247929 is about 1499.3095077401. The cubic root of 2247929 is about 130.9968532546.

The spelling of 2247929 in words is "two million, two hundred forty-seven thousand, nine hundred twenty-nine".