Base | Representation |
---|---|
bin | 1000110100110… |
… | …11100110001010 |
3 | 12011022111112220 |
4 | 10122123212022 |
5 | 122423201032 |
6 | 11202514510 |
7 | 1556211120 |
oct | 432334612 |
9 | 164274486 |
10 | 74037642 |
11 | 38879638 |
12 | 20965a36 |
13 | 12453573 |
14 | 9b93910 |
15 | 677712c |
hex | 469b98a |
74037642 has 32 divisors (see below), whose sum is σ = 178137600. Its totient is φ = 20040048.
The previous prime is 74037637. The next prime is 74037679. The reversal of 74037642 is 24673047.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45592 + ... + 47187.
It is an arithmetic number, because the mean of its divisors is an integer number (5566800).
Almost surely, 274037642 is an apocalyptic number.
74037642 is an abundant number, since it is smaller than the sum of its proper divisors (104099958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74037642 is a wasteful number, since it uses less digits than its factorization.
74037642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 92810.
The product of its (nonzero) digits is 28224, while the sum is 33.
The square root of 74037642 is about 8604.5128856897. The cubic root of 74037642 is about 419.9048197017.
The spelling of 74037642 in words is "seventy-four million, thirty-seven thousand, six hundred forty-two".
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