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424303131 = 37197102563
BaseRepresentation
bin11001010010100…
…101101000011011
31002120101211110210
4121102211220123
51332110200011
6110034142203
713341342240
oct3122455033
91076354423
10424303131
111a856524a
12ba121963
1369ba0555
14404cd5c7
15273b46a6
hex194a5a1b

424303131 has 16 divisors (see below), whose sum is σ = 649845504. Its totient is φ = 241225824.

The previous prime is 424303127. The next prime is 424303141. The reversal of 424303131 is 131303424.

It is not a de Polignac number, because 424303131 - 22 = 424303127 is a prime.

It is a super-2 number, since 2×4243031312 = 360066293952806322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 424303098 and 424303107.

It is not an unprimeable number, because it can be changed into a prime (424303141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47145 + ... + 55418.

It is an arithmetic number, because the mean of its divisors is an integer number (40615344).

Almost surely, 2424303131 is an apocalyptic number.

424303131 is a deficient number, since it is larger than the sum of its proper divisors (225542373).

424303131 is a wasteful number, since it uses less digits than its factorization.

424303131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102770.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 424303131 is about 20598.6196382185. The cubic root of 424303131 is about 751.4361406891.

Adding to 424303131 its reverse (131303424), we get a palindrome (555606555).

The spelling of 424303131 in words is "four hundred twenty-four million, three hundred three thousand, one hundred thirty-one".

Divisors: 1 3 7 21 197 591 1379 4137 102563 307689 717941 2153823 20204911 60614733 141434377 424303131