Base | Representation |
---|---|
bin | 111110001000011… |
… | …001100000000000 |
3 | 2200122102211212201 |
4 | 332020121200000 |
5 | 4113322421432 |
6 | 251234002544 |
7 | 34555105651 |
oct | 7610314000 |
9 | 2618384781 |
10 | 1042388992 |
11 | 495446307 |
12 | 251116454 |
13 | 137c5c228 |
14 | 9c623528 |
15 | 617a5ee7 |
hex | 3e219800 |
1042388992 has 48 divisors (see below), whose sum is σ = 2156263200. Its totient is φ = 503193600.
The previous prime is 1042388969. The next prime is 1042389011. The reversal of 1042388992 is 2998832401.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50617 + ... + 68167.
It is an arithmetic number, because the mean of its divisors is an integer number (44922150).
Almost surely, 21042388992 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 1042388992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1078131600).
1042388992 is an abundant number, since it is smaller than the sum of its proper divisors (1113874208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1042388992 is an equidigital number, since it uses as much as digits as its factorization.
1042388992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17602 (or 17582 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 46.
The square root of 1042388992 is about 32286.0494950993. The cubic root of 1042388992 is about 1013.9345893147.
The spelling of 1042388992 in words is "one billion, forty-two million, three hundred eighty-eight thousand, nine hundred ninety-two".
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