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424142237 = 13113923293
BaseRepresentation
bin11001010001111…
…110010110011101
31002120002122202202
4121101332112131
51332040022422
6110030501245
713340102201
oct3121762635
91076078682
10424142237
111a8465382
12ba064825
1369b4524c
144048ab01
1527381b92
hex1947e59d

424142237 has 8 divisors (see below), whose sum is σ = 430473120. Its totient is φ = 417858480.

The previous prime is 424142221. The next prime is 424142261. The reversal of 424142237 is 732241424.

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

It is a cyclic number.

It is not a de Polignac number, because 424142237 - 24 = 424142221 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 (424142207) 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 7 ways as a sum of consecutive naturals, for example, 6563 + ... + 29855.

It is an arithmetic number, because the mean of its divisors is an integer number (53809140).

Almost surely, 2424142237 is an apocalyptic number.

It is an amenable number.

424142237 is a deficient number, since it is larger than the sum of its proper divisors (6330883).

424142237 is a wasteful number, since it uses less digits than its factorization.

424142237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23563.

The product of its digits is 10752, while the sum is 29.

The square root of 424142237 is about 20594.7138120441. The cubic root of 424142237 is about 751.3411481844.

The spelling of 424142237 in words is "four hundred twenty-four million, one hundred forty-two thousand, two hundred thirty-seven".

Divisors: 1 131 139 18209 23293 3051383 3237727 424142237