Base | Representation |
---|---|
bin | 10001010110011… |
… | …01111011111111 |
3 | 101010212112221220 |
4 | 20223031323333 |
5 | 244230001012 |
6 | 22235324423 |
7 | 3415062204 |
oct | 1053157377 |
9 | 333775856 |
10 | 145547007 |
11 | 75180691 |
12 | 408b0713 |
13 | 242000b8 |
14 | 15489cab |
15 | cba008c |
hex | 8acdeff |
145547007 has 16 divisors (see below), whose sum is σ = 200088672. Its totient is φ = 94049280.
The previous prime is 145546963. The next prime is 145547029. The reversal of 145547007 is 700745541.
It is not a de Polignac number, because 145547007 - 216 = 145481471 is a prime.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145547707) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15543 + ... + 23079.
It is an arithmetic number, because the mean of its divisors is an integer number (12505542).
Almost surely, 2145547007 is an apocalyptic number.
145547007 is a deficient number, since it is larger than the sum of its proper divisors (54541665).
145547007 is a wasteful number, since it uses less digits than its factorization.
145547007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7738.
The product of its (nonzero) digits is 19600, while the sum is 33.
The square root of 145547007 is about 12064.2864273027. The cubic root of 145547007 is about 526.0185902821.
The spelling of 145547007 in words is "one hundred forty-five million, five hundred forty-seven thousand, seven".
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