Search a number
-
+
124421188 = 2243723379
BaseRepresentation
bin1110110101010…
…00010001000100
322200010020210011
413122220101010
5223322434223
620202440004
73040363663
oct732502104
9280106704
10124421188
1164261531
1235803004
131ca14408
141274adda
15adca80d
hex76a8444

124421188 has 12 divisors (see below), whose sum is σ = 222801040. Its totient is φ = 60763752.

The previous prime is 124421161. The next prime is 124421189. The reversal of 124421188 is 881124421.

It is not an unprimeable number, because it can be changed into a prime (124421189) 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 3 ways as a sum of consecutive naturals, for example, 361518 + ... + 361861.

Almost surely, 2124421188 is an apocalyptic number.

It is an amenable number.

124421188 is a deficient number, since it is larger than the sum of its proper divisors (98379852).

124421188 is a wasteful number, since it uses less digits than its factorization.

124421188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723426 (or 723424 counting only the distinct ones).

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

The square root of 124421188 is about 11154.4245929586. The cubic root of 124421188 is about 499.2270563988.

It can be divided in two parts, 124421 and 188, that added together give a square (124609 = 3532).

The spelling of 124421188 in words is "one hundred twenty-four million, four hundred twenty-one thousand, one hundred eighty-eight".

Divisors: 1 2 4 43 86 172 723379 1446758 2893516 31105297 62210594 124421188