Search a number
-
+
1197243 = 32137971
BaseRepresentation
bin100100100010010111011
32020211022100
410210102323
5301302433
641354443
713114335
oct4442273
92224270
101197243
11748563
12498a23
1332bc38
14232455
15189b13
hex1244bb

1197243 has 12 divisors (see below), whose sum is σ = 1743768. Its totient is φ = 791520.

The previous prime is 1197239. The next prime is 1197257. The reversal of 1197243 is 3427911.

It is not a de Polignac number, because 1197243 - 22 = 1197239 is a prime.

1197243 is a lucky number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1197263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 748 + ... + 1718.

It is an arithmetic number, because the mean of its divisors is an integer number (145314).

21197243 is an apocalyptic number.

1197243 is a deficient number, since it is larger than the sum of its proper divisors (546525).

1197243 is a wasteful number, since it uses less digits than its factorization.

1197243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114 (or 1111 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 1197243 is about 1094.1859988137. The cubic root of 1197243 is about 106.1844125782.

The spelling of 1197243 in words is "one million, one hundred ninety-seven thousand, two hundred forty-three".

Divisors: 1 3 9 137 411 971 1233 2913 8739 133027 399081 1197243