Base | Representation |
---|---|
bin | 1000111111010… |
… | …00100010001000 |
3 | 12020212210012200 |
4 | 10133220202020 |
5 | 123300320402 |
6 | 11252040200 |
7 | 1603621005 |
oct | 437504210 |
9 | 166783180 |
10 | 75401352 |
11 | 39620174 |
12 | 21303060 |
13 | 128101b0 |
14 | a02a8ac |
15 | 694621c |
hex | 47e8888 |
75401352 has 48 divisors (see below), whose sum is σ = 219923340. Its totient is φ = 23200128.
The previous prime is 75401281. The next prime is 75401357. The reversal of 75401352 is 25310457.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 73513476 + 1887876 = 8574^2 + 1374^2 .
It is not an unprimeable number, because it can be changed into a prime (75401357) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39343 + ... + 41214.
Almost surely, 275401352 is an apocalyptic number.
75401352 is a gapful number since it is divisible by the number (72) formed by its first and last digit.
It is an amenable number.
75401352 is an abundant number, since it is smaller than the sum of its proper divisors (144521988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75401352 is a wasteful number, since it uses less digits than its factorization.
75401352 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80582 (or 80575 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 27.
The square root of 75401352 is about 8683.3951885193. The cubic root of 75401352 is about 422.4672467403.
The spelling of 75401352 in words is "seventy-five million, four hundred one thousand, three hundred fifty-two".
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