Search a number
-
+
11971204 = 2272291867
BaseRepresentation
bin101101101010…
…101010000100
3211112012101221
4231222222010
511031034304
61104330124
7203516320
oct55525204
924465357
1011971204
116837163
124013944
132631b6b
141838980
1510b7054
hexb6aa84

11971204 has 24 divisors (see below), whose sum is σ = 24059840. Its totient is φ = 5105376.

The previous prime is 11971199. The next prime is 11971207. The reversal of 11971204 is 40217911.

It is not an unprimeable number, because it can be changed into a prime (11971207) 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 in 7 ways as a sum of consecutive naturals, for example, 5479 + ... + 7345.

Almost surely, 211971204 is an apocalyptic number.

11971204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11971204 is an abundant number, since it is smaller than the sum of its proper divisors (12088636).

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

11971204 is a wasteful number, since it uses less digits than its factorization.

11971204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107 (or 2105 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 11971204 is about 3459.9427740932. The cubic root of 11971204 is about 228.7595729916.

It can be divided in two parts, 1197 and 1204, that added together give a 4-th power (2401 = 74).

The spelling of 11971204 in words is "eleven million, nine hundred seventy-one thousand, two hundred four".

Divisors: 1 2 4 7 14 28 229 458 916 1603 1867 3206 3734 6412 7468 13069 26138 52276 427543 855086 1710172 2992801 5985602 11971204