Base | Representation |
---|---|
bin | 111101011100111… |
… | …101111110000000 |
3 | 2122212000102122112 |
4 | 331130331332000 |
5 | 4102414112112 |
6 | 250145554452 |
7 | 34356250442 |
oct | 7534757600 |
9 | 2585012575 |
10 | 1031004032 |
11 | 489a7a653 |
12 | 249345a28 |
13 | 1357a4176 |
14 | 9acdc492 |
15 | 607a7a22 |
hex | 3d73df80 |
1031004032 has 96 divisors (see below), whose sum is σ = 2232061920. Its totient is φ = 474054656.
The previous prime is 1031003989. The next prime is 1031004041. The reversal of 1031004032 is 2304001301.
It is a junction number, because it is equal to n+sod(n) for n = 1031003998 and 1031004016.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1738328 + ... + 1738920.
It is an arithmetic number, because the mean of its divisors is an integer number (23250645).
Almost surely, 21031004032 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1031004032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1116030960).
1031004032 is an abundant number, since it is smaller than the sum of its proper divisors (1201057888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1031004032 is an equidigital number, since it uses as much as digits as its factorization.
1031004032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 688 (or 659 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 1031004032 is about 32109.2515017090. The cubic root of 1031004032 is about 1010.2296742655.
Adding to 1031004032 its reverse (2304001301), we get a palindrome (3335005333).
The spelling of 1031004032 in words is "one billion, thirty-one million, four thousand, thirty-two".
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