Base | Representation |
---|---|
bin | 1000110111011… |
… | …11011010011011 |
3 | 12011221221111012 |
4 | 10123233122123 |
5 | 123020142310 |
6 | 11214124135 |
7 | 1562141045 |
oct | 433573233 |
9 | 164857435 |
10 | 74380955 |
11 | 38a93570 |
12 | 20ab064b |
13 | 125438cc |
14 | 9c42a95 |
15 | 67e3c05 |
hex | 46ef69b |
74380955 has 16 divisors (see below), whose sum is σ = 97684704. Its totient is φ = 53921280.
The previous prime is 74380913. The next prime is 74380963. The reversal of 74380955 is 55908347.
It is not a de Polignac number, because 74380955 - 212 = 74376859 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16529 + ... + 20541.
It is an arithmetic number, because the mean of its divisors is an integer number (6105294).
Almost surely, 274380955 is an apocalyptic number.
74380955 is a deficient number, since it is larger than the sum of its proper divisors (23303749).
74380955 is a wasteful number, since it uses less digits than its factorization.
74380955 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4366.
The product of its (nonzero) digits is 151200, while the sum is 41.
The square root of 74380955 is about 8624.4394020713. The cubic root of 74380955 is about 420.5528528283.
The spelling of 74380955 in words is "seventy-four million, three hundred eighty thousand, nine hundred fifty-five".
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