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1040332431 = 31073240911
BaseRepresentation
bin111110000000100…
…011011010001111
32200111120100210210
4332000203122033
54112311114211
6251121533503
734531452105
oct7600433217
92614510723
101040332431
11494271176
122504a4293
131376bc128
149c249c75
15614eb9a6
hex3e02368f

1040332431 has 8 divisors (see below), whose sum is σ = 1400073984. Its totient is φ = 687072920.

The previous prime is 1040332409. The next prime is 1040332487. The reversal of 1040332431 is 1342330401.

1040332431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1040332431 - 214 = 1040316047 is a prime.

It is a super-2 number, since 2×10403324312 = 2164583133980739522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1040332398 and 1040332407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040332831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1620135 + ... + 1620776.

It is an arithmetic number, because the mean of its divisors is an integer number (175009248).

Almost surely, 21040332431 is an apocalyptic number.

1040332431 is a deficient number, since it is larger than the sum of its proper divisors (359741553).

1040332431 is a wasteful number, since it uses less digits than its factorization.

1040332431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241021.

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

The square root of 1040332431 is about 32254.1847052441. The cubic root of 1040332431 is about 1013.2673428311.

Adding to 1040332431 its reverse (1342330401), we get a palindrome (2382662832).

The spelling of 1040332431 in words is "one billion, forty million, three hundred thirty-two thousand, four hundred thirty-one".

Divisors: 1 3 107 321 3240911 9722733 346777477 1040332431