| Base | Representation |
|---|---|
| bin | 111110001001010… |
| … | …011010100010000 |
| 3 | 2200122212212201200 |
| 4 | 332021103110100 |
| 5 | 4113403011213 |
| 6 | 251243031200 |
| 7 | 34560113250 |
| oct | 7611232420 |
| 9 | 2618785650 |
| 10 | 1042625808 |
| 11 | 495598224 |
| 12 | 25120b500 |
| 13 | 138012c63 |
| 14 | 9c685960 |
| 15 | 61801273 |
| hex | 3e253510 |
1042625808 has 120 divisors (see below), whose sum is σ = 3344577600. Its totient is φ = 297015552.
The previous prime is 1042625803. The next prime is 1042625813. The reversal of 1042625808 is 8085262401.
1042625808 is a `hidden beast` number, since 10 + 4 + 2 + 62 + 580 + 8 = 666.
It is an interprime number because it is at equal distance from previous prime (1042625803) and next prime (1042625813).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (1042625803) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390783 + ... + 393441.
It is an arithmetic number, because the mean of its divisors is an integer number (27871480).
Almost surely, 21042625808 is an apocalyptic number.
1042625808 is a gapful number since it is divisible by the number (18) 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 1042625808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1672288800).
1042625808 is an abundant number, since it is smaller than the sum of its proper divisors (2301951792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1042625808 is a wasteful number, since it uses less digits than its factorization.
1042625808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3069 (or 3060 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 36.
The square root of 1042625808 is about 32289.7167531708. The cubic root of 1042625808 is about 1014.0113673550.
The spelling of 1042625808 in words is "one billion, forty-two million, six hundred twenty-five thousand, eight hundred eight".
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