Search a number
-
+
124240223 = 47113149157
BaseRepresentation
bin1110110011111…
…00000101011111
322122210001112202
413121330011133
5223301141343
620154522115
73036011252
oct731740537
9278701482
10124240223
1164148578
123573633b
131c97cc33
1412701099
15ad91db8
hex767c15f

124240223 has 16 divisors (see below), whose sum is σ = 129686400. Its totient is φ = 118949376.

The previous prime is 124240211. The next prime is 124240229. The reversal of 124240223 is 322042421.

It is a cyclic number.

It is not a de Polignac number, because 124240223 - 26 = 124240159 is a prime.

It is a super-2 number, since 2×1242402232 = 30871266022179458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124240195 and 124240204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124240229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 791261 + ... + 791417.

It is an arithmetic number, because the mean of its divisors is an integer number (8105400).

Almost surely, 2124240223 is an apocalyptic number.

124240223 is a deficient number, since it is larger than the sum of its proper divisors (5446177).

124240223 is a wasteful number, since it uses less digits than its factorization.

124240223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 124240223 is about 11146.3098377894. The cubic root of 124240223 is about 498.9849045571.

Adding to 124240223 its reverse (322042421), we get a palindrome (446282644).

The spelling of 124240223 in words is "one hundred twenty-four million, two hundred forty thousand, two hundred twenty-three".

Divisors: 1 47 113 149 157 5311 7003 7379 16837 17741 23393 791339 833827 1099471 2643409 124240223