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1040424431 = 4346352259
BaseRepresentation
bin111110000000111…
…001110111101111
32200111202001000012
4332000321313233
54112322040211
6251123523435
734532314244
oct7600716757
92614661005
101040424431
11494324302
1225052957b
13137721c77
149c2715cb
1561518d8b
hex3e039def

1040424431 has 8 divisors (see below), whose sum is σ = 1066940160. Its totient is φ = 1014014232.

The previous prime is 1040424379. The next prime is 1040424461. The reversal of 1040424431 is 1344240401.

It is a happy number.

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 1040424431 - 218 = 1040162287 is a prime.

It is a super-2 number, since 2×10404244312 = 2164965993243347522, 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 = 1040424397 and 1040424406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040424461) 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, 6221 + ... + 46038.

It is an arithmetic number, because the mean of its divisors is an integer number (133367520).

Almost surely, 21040424431 is an apocalyptic number.

1040424431 is a deficient number, since it is larger than the sum of its proper divisors (26515729).

1040424431 is an equidigital number, since it uses as much as digits as its factorization.

1040424431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52765.

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

The square root of 1040424431 is about 32255.6108452468. The cubic root of 1040424431 is about 1013.2972107992.

Adding to 1040424431 its reverse (1344240401), we get a palindrome (2384664832).

The spelling of 1040424431 in words is "one billion, forty million, four hundred twenty-four thousand, four hundred thirty-one".

Divisors: 1 43 463 19909 52259 2247137 24195917 1040424431