Base | Representation |
---|---|
bin | 1000111111101… |
… | …01110110101010 |
3 | 12020222120001111 |
4 | 10133311312222 |
5 | 123304042124 |
6 | 11253140534 |
7 | 1604236042 |
oct | 437656652 |
9 | 166876044 |
10 | 75455914 |
11 | 39658166 |
12 | 2132a74a |
13 | 1282bc91 |
14 | a042722 |
15 | 6957494 |
hex | 47f5daa |
75455914 has 4 divisors (see below), whose sum is σ = 113183874. Its totient is φ = 37727956.
The previous prime is 75455903. The next prime is 75455917. The reversal of 75455914 is 41955457.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41955457 = 5527 ⋅7591.
It can be written as a sum of positive squares in only one way, i.e., 61355889 + 14100025 = 7833^2 + 3755^2 .
It is not an unprimeable number, because it can be changed into a prime (75455917) 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 as a sum of consecutive naturals, namely, 18863977 + ... + 18863980.
Almost surely, 275455914 is an apocalyptic number.
75455914 is a deficient number, since it is larger than the sum of its proper divisors (37727960).
75455914 is a wasteful number, since it uses less digits than its factorization.
75455914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37727959.
The product of its digits is 126000, while the sum is 40.
The square root of 75455914 is about 8686.5363638219. The cubic root of 75455914 is about 422.5691242246.
The spelling of 75455914 in words is "seventy-five million, four hundred fifty-five thousand, nine hundred fourteen".
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