Base | Representation |
---|---|
bin | 1010110101001… |
… | …0100101111101 |
3 | 10011110221020001 |
4 | 2231102211331 |
5 | 43112131234 |
6 | 4301354301 |
7 | 1061060302 |
oct | 255224575 |
9 | 104427201 |
10 | 45427069 |
11 | 23708036 |
12 | 13268991 |
13 | 9546b2c |
14 | 60670a9 |
15 | 3ec4d14 |
hex | 2b5297d |
45427069 has 4 divisors (see below), whose sum is σ = 45489280. Its totient is φ = 45364860.
The previous prime is 45427061. The next prime is 45427087. The reversal of 45427069 is 96072454.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96072454 = 2 ⋅48036227.
It is a cyclic number.
It is not a de Polignac number, because 45427069 - 23 = 45427061 is a prime.
It is a super-3 number, since 3×454270693 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45427061) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29997 + ... + 31474.
It is an arithmetic number, because the mean of its divisors is an integer number (11372320).
Almost surely, 245427069 is an apocalyptic number.
It is an amenable number.
45427069 is a deficient number, since it is larger than the sum of its proper divisors (62211).
45427069 is an equidigital number, since it uses as much as digits as its factorization.
45427069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62210.
The product of its (nonzero) digits is 60480, while the sum is 37.
The square root of 45427069 is about 6739.9606081935. The cubic root of 45427069 is about 356.8110034889.
It can be divided in two parts, 4542 and 7069, that added together give a palindrome (11611).
The spelling of 45427069 in words is "forty-five million, four hundred twenty-seven thousand, sixty-nine".
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