Base | Representation |
---|---|
bin | 1011001101100… |
… | …1000001100110 |
3 | 10021111011221000 |
4 | 2303121001212 |
5 | 44014320103 |
6 | 4355534130 |
7 | 1110500565 |
oct | 263310146 |
9 | 107434830 |
10 | 47026278 |
11 | 245aa5a2 |
12 | 138ba346 |
13 | 9986a00 |
14 | 6361bdc |
15 | 41ddaa3 |
hex | 2cd9066 |
47026278 has 48 divisors (see below), whose sum is σ = 113181840. Its totient is φ = 14466816.
The previous prime is 47026277. The next prime is 47026327. The reversal of 47026278 is 87262074.
It is a super-2 number, since 2×470262782 = 4422941645066568, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47026271) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6550 + ... + 11702.
It is an arithmetic number, because the mean of its divisors is an integer number (2357955).
Almost surely, 247026278 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47026278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56590920).
47026278 is an abundant number, since it is smaller than the sum of its proper divisors (66155562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47026278 is a wasteful number, since it uses less digits than its factorization.
47026278 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5190 (or 5171 counting only the distinct ones).
The product of its (nonzero) digits is 37632, while the sum is 36.
The square root of 47026278 is about 6857.5708527145. The cubic root of 47026278 is about 360.9498527397.
The spelling of 47026278 in words is "forty-seven million, twenty-six thousand, two hundred seventy-eight".
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