Base | Representation |
---|---|
bin | 111101011110101… |
… | …001000000000000 |
3 | 2122212211201000120 |
4 | 331132221000000 |
5 | 4103022124212 |
6 | 250203220240 |
7 | 34363054536 |
oct | 7536510000 |
9 | 2585751016 |
10 | 1031442432 |
11 | 48a249a69 |
12 | 249517680 |
13 | 1358c8887 |
14 | 9adb4156 |
15 | 6084288c |
hex | 3d7a9000 |
1031442432 has 52 divisors (see below), whose sum is σ = 2750210160. Its totient is φ = 343810048.
The previous prime is 1031442427. The next prime is 1031442439. The reversal of 1031442432 is 2342441301.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (1031442439) 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, 29682 + ... + 54257.
Almost surely, 21031442432 is an apocalyptic number.
1031442432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1031442432 is an abundant number, since it is smaller than the sum of its proper divisors (1718767728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1031442432 is an frugal number, since it uses more digits than its factorization.
1031442432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83966 (or 83944 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 24.
The square root of 1031442432 is about 32116.0774690808. The cubic root of 1031442432 is about 1010.3728427744.
Adding to 1031442432 its reverse (2342441301), we get a palindrome (3373883733).
The spelling of 1031442432 in words is "one billion, thirty-one million, four hundred forty-two thousand, four hundred thirty-two".
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