Search a number
-
+
2412221 = 72192591
BaseRepresentation
bin1001001100111010111101
311112112221112
421030322331
51104142341
6123411405
726334500
oct11147275
94475845
102412221
1113a8379
12983b65
13665c66
1446b137
15329aeb
hex24cebd

2412221 has 12 divisors (see below), whose sum is σ = 2954880. Its totient is φ = 1958040.

The previous prime is 2412209. The next prime is 2412233. The reversal of 2412221 is 1222142.

It is an interprime number because it is at equal distance from previous prime (2412209) and next prime (2412233).

It is not a de Polignac number, because 2412221 - 210 = 2411197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2412196 and 2412205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2412271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 365 + ... + 2226.

It is an arithmetic number, because the mean of its divisors is an integer number (246240).

22412221 is an apocalyptic number.

It is an amenable number.

2412221 is a deficient number, since it is larger than the sum of its proper divisors (542659).

2412221 is a wasteful number, since it uses less digits than its factorization.

2412221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624 (or 2617 counting only the distinct ones).

The product of its digits is 64, while the sum is 14.

The square root of 2412221 is about 1553.1326408263. The cubic root of 2412221 is about 134.1134592632.

Adding to 2412221 its reverse (1222142), we get a palindrome (3634363).

The spelling of 2412221 in words is "two million, four hundred twelve thousand, two hundred twenty-one".

Divisors: 1 7 19 49 133 931 2591 18137 49229 126959 344603 2412221