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424343231 = 13139234833
BaseRepresentation
bin11001010010101…
…111011010111111
31002120110212110222
4121102233122333
51332112440411
6110035051555
713341600164
oct3122573277
91076425428
10424343231
111a8592394
12ba140bbb
1369bb5890
144050006b
15273c14db
hex194af6bf

424343231 has 8 divisors (see below), whose sum is σ = 460274640. Its totient is φ = 388881792.

The previous prime is 424343219. The next prime is 424343243. The reversal of 424343231 is 132343424.

It is an interprime number because it is at equal distance from previous prime (424343219) and next prime (424343243).

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

It is not a de Polignac number, because 424343231 - 210 = 424342207 is a prime.

It is a super-2 number, since 2×4243432312 = 360134355391038722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424343231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424343251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115610 + ... + 119223.

It is an arithmetic number, because the mean of its divisors is an integer number (57534330).

Almost surely, 2424343231 is an apocalyptic number.

424343231 is a deficient number, since it is larger than the sum of its proper divisors (35931409).

424343231 is a wasteful number, since it uses less digits than its factorization.

424343231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234985.

The product of its digits is 6912, while the sum is 26.

The square root of 424343231 is about 20599.5929814159. The cubic root of 424343231 is about 751.4598121618.

Adding to 424343231 its reverse (132343424), we get a palindrome (556686655).

It can be divided in two parts, 4243 and 43231, that added together give a palindrome (47474).

The spelling of 424343231 in words is "four hundred twenty-four million, three hundred forty-three thousand, two hundred thirty-one".

Divisors: 1 13 139 1807 234833 3052829 32641787 424343231