Base | Representation |
---|---|
bin | 1000110100110… |
… | …01101101110010 |
3 | 12011022002222120 |
4 | 10122121231302 |
5 | 122422424223 |
6 | 11202415110 |
7 | 1556146503 |
oct | 432315562 |
9 | 164262876 |
10 | 74029938 |
11 | 38873874 |
12 | 20961496 |
13 | 1244cbc8 |
14 | 9b90baa |
15 | 6774be3 |
hex | 4699b72 |
74029938 has 16 divisors (see below), whose sum is σ = 148145760. Its totient is φ = 24662336.
The previous prime is 74029937. The next prime is 74029981. The reversal of 74029938 is 83992047.
It is a self number, because there is not a number n which added to its sum of digits gives 74029938.
It is not an unprimeable number, because it can be changed into a prime (74029937) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15253 + ... + 19511.
It is an arithmetic number, because the mean of its divisors is an integer number (9259110).
Almost surely, 274029938 is an apocalyptic number.
74029938 is an abundant number, since it is smaller than the sum of its proper divisors (74115822).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74029938 is a wasteful number, since it uses less digits than its factorization.
74029938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7161.
The product of its (nonzero) digits is 108864, while the sum is 42.
The square root of 74029938 is about 8604.0652019845. The cubic root of 74029938 is about 419.8902547730.
The spelling of 74029938 in words is "seventy-four million, twenty-nine thousand, nine hundred thirty-eight".
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