Base | Representation |
---|---|
bin | 1000110111111… |
… | …11000001011000 |
3 | 12012002012012002 |
4 | 10123333001120 |
5 | 123024214023 |
6 | 11215340132 |
7 | 1562525330 |
oct | 433770130 |
9 | 165065162 |
10 | 74444888 |
11 | 39027601 |
12 | 20b21648 |
13 | 12566a3b |
14 | 9c5c0c0 |
15 | 6807b28 |
hex | 46ff058 |
74444888 has 128 divisors (see below), whose sum is σ = 180940800. Its totient is φ = 27993600.
The previous prime is 74444863. The next prime is 74444891. The reversal of 74444888 is 88844447.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1220378 + ... + 1220438.
It is an arithmetic number, because the mean of its divisors is an integer number (1413600).
Almost surely, 274444888 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 74444888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90470400).
74444888 is an abundant number, since it is smaller than the sum of its proper divisors (106495912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74444888 is a wasteful number, since it uses less digits than its factorization.
74444888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161 (or 157 counting only the distinct ones).
The product of its digits is 917504, while the sum is 47.
The square root of 74444888 is about 8628.1451077274. The cubic root of 74444888 is about 420.6733115565.
It can be divided in two parts, 7 and 4444888, that multiplied together give a triangular number (31114216 = T7888).
The spelling of 74444888 in words is "seventy-four million, four hundred forty-four thousand, eight hundred eighty-eight".
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