Base | Representation |
---|---|
bin | 111101100000111… |
… | …010111111101111 |
3 | 2122220222002022200 |
4 | 331200322333233 |
5 | 4103200243211 |
6 | 250224112543 |
7 | 34401125142 |
oct | 7540727757 |
9 | 2586862280 |
10 | 1032040431 |
11 | 48a618284 |
12 | 249765753 |
13 | 135a77b16 |
14 | 9b0cc059 |
15 | 6090eb56 |
hex | 3d83afef |
1032040431 has 12 divisors (see below), whose sum is σ = 1499055480. Its totient is φ = 684182160.
The previous prime is 1032040421. The next prime is 1032040441. The reversal of 1032040431 is 1340402301.
It is an interprime number because it is at equal distance from previous prime (1032040421) and next prime (1032040441).
It is a de Polignac number, because none of the positive numbers 2k-1032040431 is a prime.
It is a super-2 number, since 2×10320404312 = 2130214902437331522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1032040421) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318700 + ... + 321921.
It is an arithmetic number, because the mean of its divisors is an integer number (124921290).
Almost surely, 21032040431 is an apocalyptic number.
1032040431 is a deficient number, since it is larger than the sum of its proper divisors (467015049).
1032040431 is a wasteful number, since it uses less digits than its factorization.
1032040431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 640806 (or 640803 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 1032040431 is about 32125.3860832831. The cubic root of 1032040431 is about 1010.5680662151.
Adding to 1032040431 its reverse (1340402301), we get a palindrome (2372442732).
The spelling of 1032040431 in words is "one billion, thirty-two million, forty thousand, four hundred thirty-one".
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