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1042424231 = 3672840393
BaseRepresentation
bin111110001000100…
…010000110100111
32200122111122012212
4332020202012213
54113330033411
6251234434035
734555313462
oct7610420647
92618448185
101042424231
1149546a832
1225113291b
13137c72294
149c6322d9
15617b168b
hex3e2221a7

1042424231 has 4 divisors (see below), whose sum is σ = 1045264992. Its totient is φ = 1039583472.

The previous prime is 1042424191. The next prime is 1042424267. The reversal of 1042424231 is 1324242401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1042424231 - 26 = 1042424167 is a prime.

It is a super-2 number, since 2×10424242312 = 2173296554751882722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1042424197 and 1042424206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042424291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1419830 + ... + 1420563.

It is an arithmetic number, because the mean of its divisors is an integer number (261316248).

Almost surely, 21042424231 is an apocalyptic number.

1042424231 is a deficient number, since it is larger than the sum of its proper divisors (2840761).

1042424231 is an equidigital number, since it uses as much as digits as its factorization.

1042424231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840760.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1042424231 is about 32286.5952215467. The cubic root of 1042424231 is about 1013.9460148761.

Adding to 1042424231 its reverse (1324242401), we get a palindrome (2366666632).

The spelling of 1042424231 in words is "one billion, forty-two million, four hundred twenty-four thousand, two hundred thirty-one".

Divisors: 1 367 2840393 1042424231