Base | Representation |
---|---|
bin | 1000110111111… |
… | …10110100100110 |
3 | 12012002011001210 |
4 | 10123332310212 |
5 | 123024202240 |
6 | 11215332250 |
7 | 1562523051 |
oct | 433766446 |
9 | 165064053 |
10 | 74444070 |
11 | 39026a28 |
12 | 20b21086 |
13 | 1256655c |
14 | 9c5ba98 |
15 | 6807780 |
hex | 46fed26 |
74444070 has 64 divisors (see below), whose sum is σ = 183306240. Its totient is φ = 19344000.
The previous prime is 74444063. The next prime is 74444081. The reversal of 74444070 is 7044447.
It is a Harshad number since it is a multiple of its sum of digits (30).
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, 239215 + ... + 239525.
It is an arithmetic number, because the mean of its divisors is an integer number (2864160).
Almost surely, 274444070 is an apocalyptic number.
74444070 is an abundant number, since it is smaller than the sum of its proper divisors (108862170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74444070 is a wasteful number, since it uses less digits than its factorization.
74444070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 501.
The product of its (nonzero) digits is 12544, while the sum is 30.
The square root of 74444070 is about 8628.0977045928. The cubic root of 74444070 is about 420.6717707656.
The spelling of 74444070 in words is "seventy-four million, four hundred forty-four thousand, seventy".
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