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124320413 = 717760059
BaseRepresentation
bin1110110100011…
…11101010011101
322122221010112202
413122033222131
5223311223123
620200341245
73036464120
oct732175235
9278833482
10124320413
11641a2848
1235774825
131c9aa599
14127223b7
15adaaa28
hex768fa9d

124320413 has 4 divisors (see below), whose sum is σ = 142080480. Its totient is φ = 106560348.

The previous prime is 124320397. The next prime is 124320433. The reversal of 124320413 is 314023421.

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 not a de Polignac number, because 124320413 - 24 = 124320397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124320433) 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 3 ways as a sum of consecutive naturals, for example, 8880023 + ... + 8880036.

It is an arithmetic number, because the mean of its divisors is an integer number (35520120).

Almost surely, 2124320413 is an apocalyptic number.

It is an amenable number.

124320413 is a deficient number, since it is larger than the sum of its proper divisors (17760067).

124320413 is an equidigital number, since it uses as much as digits as its factorization.

124320413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17760066.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 124320413 is about 11149.9064121633. The cubic root of 124320413 is about 499.0922369298.

Adding to 124320413 its reverse (314023421), we get a palindrome (438343834).

The spelling of 124320413 in words is "one hundred twenty-four million, three hundred twenty thousand, four hundred thirteen".

Divisors: 1 7 17760059 124320413