Search a number
-
+
3145422 = 23774891
BaseRepresentation
bin1011111111111011001110
312220210201010
423333323032
51301123142
6151230050
735510220
oct13777316
95823633
103145422
111859225
121078326
138618c7
145bc410
15421e9c
hex2ffece

3145422 has 16 divisors (see below), whose sum is σ = 7189632. Its totient is φ = 898680.

The previous prime is 3145399. The next prime is 3145447. The reversal of 3145422 is 2245413.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37404 + ... + 37487.

It is an arithmetic number, because the mean of its divisors is an integer number (449352).

Almost surely, 23145422 is an apocalyptic number.

3145422 is an abundant number, since it is smaller than the sum of its proper divisors (4044210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3145422 is a wasteful number, since it uses less digits than its factorization.

3145422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74903.

The product of its digits is 960, while the sum is 21.

The square root of 3145422 is about 1773.5337606034. The cubic root of 3145422 is about 146.5186718815.

Subtracting from 3145422 its reverse (2245413), we obtain a palindrome (900009).

The spelling of 3145422 in words is "three million, one hundred forty-five thousand, four hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 74891 149782 224673 449346 524237 1048474 1572711 3145422