Base | Representation |
---|---|
bin | 1001100110100… |
… | …1101100110000 |
3 | 2210210101011121 |
4 | 2121221230300 |
5 | 40302410312 |
6 | 3555152024 |
7 | 666235666 |
oct | 231515460 |
9 | 83711147 |
10 | 40278832 |
11 | 208110a0 |
12 | 115a5614 |
13 | 8463739 |
14 | 54c6c36 |
15 | 3809707 |
hex | 2669b30 |
40278832 has 40 divisors (see below), whose sum is σ = 85833792. Its totient is φ = 18158400.
The previous prime is 40278809. The next prime is 40278853. The reversal of 40278832 is 23887204.
It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22183 + ... + 23929.
Almost surely, 240278832 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 40278832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42916896).
40278832 is an abundant number, since it is smaller than the sum of its proper divisors (45554960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40278832 is a wasteful number, since it uses less digits than its factorization.
40278832 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1897 (or 1891 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 34.
The square root of 40278832 is about 6346.5606433721. The cubic root of 40278832 is about 342.7880100030.
It can be divided in two parts, 40 and 278832, that added together give a palindrome (278872).
The spelling of 40278832 in words is "forty million, two hundred seventy-eight thousand, eight hundred thirty-two".
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