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124242433 = 722977727
BaseRepresentation
bin1110110011111…
…00101000000001
322122210011120121
413121330220001
5223301224213
620154540241
73036020560
oct731745001
9278704517
10124242433
116414a1a7
1235737681
131c980c43
1412701bd7
15ad9288d
hex767ca01

124242433 has 8 divisors (see below), whose sum is σ = 142071552. Its totient is φ = 106433376.

The previous prime is 124242413. The next prime is 124242439. The reversal of 124242433 is 334242421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-124242433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124242398 and 124242407.

It is not an unprimeable number, because it can be changed into a prime (124242439) 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 in 7 ways as a sum of consecutive naturals, for example, 12216 + ... + 19942.

It is an arithmetic number, because the mean of its divisors is an integer number (17758944).

Almost surely, 2124242433 is an apocalyptic number.

It is an amenable number.

124242433 is a deficient number, since it is larger than the sum of its proper divisors (17829119).

124242433 is an equidigital number, since it uses as much as digits as its factorization.

124242433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10031.

The product of its digits is 4608, while the sum is 25.

The square root of 124242433 is about 11146.4089732972. The cubic root of 124242433 is about 498.9878632074.

Adding to 124242433 its reverse (334242421), we get a palindrome (458484854).

The spelling of 124242433 in words is "one hundred twenty-four million, two hundred forty-two thousand, four hundred thirty-three".

Divisors: 1 7 2297 7727 16079 54089 17748919 124242433