Base | Representation |
---|---|
bin | 1000110111011… |
… | …00011110111101 |
3 | 12011221100000211 |
4 | 10123230132331 |
5 | 123014301312 |
6 | 11213552421 |
7 | 1562061055 |
oct | 433543675 |
9 | 164840024 |
10 | 74368957 |
11 | 38a85553 |
12 | 20aa5711 |
13 | 1253b300 |
14 | 9c3c565 |
15 | 67e03a7 |
hex | 46ec7bd |
74368957 has 12 divisors (see below), whose sum is σ = 82501524. Its totient is φ = 66967680.
The previous prime is 74368949. The next prime is 74368961. The reversal of 74368957 is 75986347.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 47183161 + 27185796 = 6869^2 + 5214^2 .
It is not a de Polignac number, because 74368957 - 23 = 74368949 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 74368957.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74368997) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 1563 + ... + 12295.
It is an arithmetic number, because the mean of its divisors is an integer number (6875127).
Almost surely, 274368957 is an apocalyptic number.
It is an amenable number.
74368957 is a deficient number, since it is larger than the sum of its proper divisors (8132567).
74368957 is a wasteful number, since it uses less digits than its factorization.
74368957 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10800 (or 10787 counting only the distinct ones).
The product of its digits is 1270080, while the sum is 49.
The square root of 74368957 is about 8623.7437925764. The cubic root of 74368957 is about 420.5302392240.
The spelling of 74368957 in words is "seventy-four million, three hundred sixty-eight thousand, nine hundred fifty-seven".
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