| Base | Representation |
|---|---|
| bin | 111011010000010… |
| … | …101110110011110 |
| 3 | 2120021122112002100 |
| 4 | 323100111312132 |
| 5 | 4013444431200 |
| 6 | 242351505530 |
| 7 | 33431022015 |
| oct | 7320256636 |
| 9 | 2507575070 |
| 10 | 994139550 |
| 11 | 470190838 |
| 12 | 238b282a6 |
| 13 | 12ac67871 |
| 14 | 96063a7c |
| 15 | 5c424d00 |
| hex | 3b415d9e |
994139550 has 144 divisors (see below), whose sum is σ = 2763425808. Its totient is φ = 256089600.
The previous prime is 994139539. The next prime is 994139561. The reversal of 994139550 is 55931499.
It is a happy number.
994139550 is a `hidden beast` number, since 9 + 94 + 1 + 3 + 9 + 550 = 666.
It is an interprime number because it is at equal distance from previous prime (994139539) and next prime (994139561).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 994139496 and 994139505.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1740765 + ... + 1741335.
It is an arithmetic number, because the mean of its divisors is an integer number (19190457).
Almost surely, 2994139550 is an apocalyptic number.
994139550 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 994139550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1381712904).
994139550 is an abundant number, since it is smaller than the sum of its proper divisors (1769286258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
994139550 is a wasteful number, since it uses less digits than its factorization.
994139550 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 715 (or 707 counting only the distinct ones).
The product of its (nonzero) digits is 218700, while the sum is 45.
The square root of 994139550 is about 31529.9785918100. The cubic root of 994139550 is about 998.0426880963.
The spelling of 994139550 in words is "nine hundred ninety-four million, one hundred thirty-nine thousand, five hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •