Search a number
-
+
12201049 = 724992
BaseRepresentation
bin101110100010…
…110001011001
3211221212200201
4232202301121
511110413144
61113302201
7205464400
oct56426131
924855621
1012201049
116983913
124104961
1326b2673
141898637
1511101d4
hexba2c59

12201049 has 9 divisors (see below), whose sum is σ = 14221557. Its totient is φ = 10437084.

The previous prime is 12201043. The next prime is 12201061. The reversal of 12201049 is 94010221.

The square root of 12201049 is 3493.

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

12201049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12201049 - 23 = 12201041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12201041) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24202 + ... + 24700.

It is an arithmetic number, because the mean of its divisors is an integer number (1580173).

Almost surely, 212201049 is an apocalyptic number.

12201049 is the 3493-rd square number.

12201049 is the 1747-th centered octagonal number.

It is an amenable number.

12201049 is a deficient number, since it is larger than the sum of its proper divisors (2020508).

12201049 is an frugal number, since it uses more digits than its factorization.

12201049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The cubic root of 12201049 is about 230.2143496381.

Multiplying 12201049 by its product of nonzero digits (144), we get a square (1756951056 = 419162).

The spelling of 12201049 in words is "twelve million, two hundred one thousand, forty-nine".

Divisors: 1 7 49 499 3493 24451 249001 1743007 12201049