| Base | Representation |
|---|---|
| bin | 111110001001101… |
| … | …010110011010000 |
| 3 | 2200200001202200100 |
| 4 | 332021222303100 |
| 5 | 4113414101000 |
| 6 | 251245052400 |
| 7 | 34560663555 |
| oct | 7611526320 |
| 9 | 2620052610 |
| 10 | 1042722000 |
| 11 | 495653521 |
| 12 | 251257100 |
| 13 | 138047988 |
| 14 | 9c6aca2c |
| 15 | 6181ea00 |
| hex | 3e26acd0 |
1042722000 has 240 divisors, whose sum is σ = 3713989968. Its totient is φ = 272563200.
The previous prime is 1042721971. The next prime is 1042722001. The reversal of 1042722000 is 2272401.
1042722000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 26132544 + 1016589456 = 5112^2 + 31884^2 .
It is a tau number, because it is divible by the number of its divisors (240).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1042722001) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 953454 + ... + 954546.
Almost surely, 21042722000 is an apocalyptic number.
1042722000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1042722000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1856994984).
1042722000 is an abundant number, since it is smaller than the sum of its proper divisors (2671267968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1042722000 is a wasteful number, since it uses less digits than its factorization.
1042722000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1175 (or 1156 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 18.
The square root of 1042722000 is about 32291.2062332766. The cubic root of 1042722000 is about 1014.0425504127.
Adding to 1042722000 its reverse (2272401), we get a palindrome (1044994401).
The spelling of 1042722000 in words is "one billion, forty-two million, seven hundred twenty-two thousand".
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