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124424113 = 1111311283
BaseRepresentation
bin1110110101010…
…00111110110001
322200010101210111
413122220332301
5223323032423
620202501321
73040405342
oct732507661
9280111714
10124424113
1164263750
1235804841
131ca15848
141274c0c9
15adcb60d
hex76a8fb1

124424113 has 4 divisors (see below), whose sum is σ = 135735408. Its totient is φ = 113112820.

The previous prime is 124424099. The next prime is 124424129. The reversal of 124424113 is 311424421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-124424113 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124424143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5655631 + ... + 5655652.

It is an arithmetic number, because the mean of its divisors is an integer number (33933852).

Almost surely, 2124424113 is an apocalyptic number.

It is an amenable number.

124424113 is a deficient number, since it is larger than the sum of its proper divisors (11311295).

124424113 is a wasteful number, since it uses less digits than its factorization.

124424113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11311294.

The product of its digits is 768, while the sum is 22.

The square root of 124424113 is about 11154.5557060781. Note that the first 3 decimals coincide. The cubic root of 124424113 is about 499.2309684540.

Adding to 124424113 its reverse (311424421), we get a palindrome (435848534).

The spelling of 124424113 in words is "one hundred twenty-four million, four hundred twenty-four thousand, one hundred thirteen".

Divisors: 1 11 11311283 124424113