Search a number
-
+
12022888 = 231502861
BaseRepresentation
bin101101110111…
…010001101000
3211121211022011
4231313101220
511034213023
61105405304
7204123103
oct55672150
924554264
1012022888
116871a79
124039834
13264c547
14184d73a
1510c750d
hexb77468

12022888 has 8 divisors (see below), whose sum is σ = 22542930. Its totient is φ = 6011440.

The previous prime is 12022883. The next prime is 12022889. The reversal of 12022888 is 88822021.

It can be written as a sum of positive squares in only one way, i.e., 7279204 + 4743684 = 2698^2 + 2178^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (12022883) 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 as a sum of consecutive naturals, namely, 751423 + ... + 751438.

Almost surely, 212022888 is an apocalyptic number.

It is an amenable number.

12022888 is a deficient number, since it is larger than the sum of its proper divisors (10520042).

12022888 is a wasteful number, since it uses less digits than its factorization.

12022888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502867 (or 1502863 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 12022888 is about 3467.4036396128. The cubic root of 12022888 is about 229.0883128423.

The spelling of 12022888 in words is "twelve million, twenty-two thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 1502861 3005722 6011444 12022888