Base | Representation |
---|---|
bin | 111000001100010… |
… | …011010111010000 |
3 | 2102200221121200200 |
4 | 320030103113100 |
5 | 3412320433021 |
6 | 233314215200 |
7 | 32235143520 |
oct | 7014232720 |
9 | 2380847620 |
10 | 942749136 |
11 | 44418041a |
12 | 223884500 |
13 | 120413634 |
14 | 8d2c7680 |
15 | 57b73126 |
hex | 383135d0 |
942749136 has 120 divisors (see below), whose sum is σ = 3023467200. Its totient is φ = 268627968.
The previous prime is 942749051. The next prime is 942749173. The reversal of 942749136 is 631947249.
It is a happy number.
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 942749091 and 942749100.
It is a congruent number.
It is an unprimeable number.
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, 451551 + ... + 453633.
It is an arithmetic number, because the mean of its divisors is an integer number (25195560).
Almost surely, 2942749136 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 942749136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1511733600).
942749136 is an abundant number, since it is smaller than the sum of its proper divisors (2080718064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
942749136 is a wasteful number, since it uses less digits than its factorization.
942749136 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2553 (or 2544 counting only the distinct ones).
The product of its digits is 326592, while the sum is 45.
The square root of 942749136 is about 30704.2201659642. The cubic root of 942749136 is about 980.5401492657.
The spelling of 942749136 in words is "nine hundred forty-two million, seven hundred forty-nine thousand, one hundred thirty-six".
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