Search a number
-
+
22849156 = 22112172777
BaseRepresentation
bin101011100101…
…0011010000100
31120222212011001
41113022122010
521322133111
62133423044
7365133421
oct127123204
946885131
1022849156
1111996a00
12779aa84
134970215
14306ad48
1520151c1
hex15ca684

22849156 has 36 divisors (see below), whose sum is σ = 46553724. Its totient is φ = 9771520.

The previous prime is 22849133. The next prime is 22849157. The reversal of 22849156 is 65194822.

It can be written as a sum of positive squares in 2 ways, for example, as 10458756 + 12390400 = 3234^2 + 3520^2 .

It is not an unprimeable number, because it can be changed into a prime (22849157) 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 11 ways as a sum of consecutive naturals, for example, 6840 + ... + 9616.

It is an arithmetic number, because the mean of its divisors is an integer number (1293159).

Almost surely, 222849156 is an apocalyptic number.

It is an amenable number.

22849156 is an abundant number, since it is smaller than the sum of its proper divisors (23704568).

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

22849156 is a wasteful number, since it uses less digits than its factorization.

22849156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820 (or 2807 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 22849156 is about 4780.0790788438. The cubic root of 22849156 is about 283.7636233246.

It can be divided in two parts, 22849 and 156, that added together give a triangular number (23005 = T214).

The spelling of 22849156 in words is "twenty-two million, eight hundred forty-nine thousand, one hundred fifty-six".

Divisors: 1 2 4 11 17 22 34 44 68 121 187 242 374 484 748 2057 2777 4114 5554 8228 11108 30547 47209 61094 94418 122188 188836 336017 519299 672034 1038598 1344068 2077196 5712289 11424578 22849156