Base | Representation |
---|---|
bin | 111101100101… |
… | …110000101110 |
3 | 1010101021101210 |
4 | 331211300232 |
5 | 13113123304 |
6 | 1334015250 |
7 | 254143203 |
oct | 75456056 |
9 | 33337353 |
10 | 16145454 |
11 | 9128356 |
12 | 54a7526 |
13 | 3463b30 |
14 | 2203caa |
15 | 163dc89 |
hex | f65c2e |
16145454 has 16 divisors (see below), whose sum is σ = 34774992. Its totient is φ = 4967808.
The previous prime is 16145453. The next prime is 16145477. The reversal of 16145454 is 45454161.
It is a super-2 number, since 2×161454542 = 521351369732232, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
16145454 is a modest number, since divided by 5454 gives 1614 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16145453) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103419 + ... + 103574.
It is an arithmetic number, because the mean of its divisors is an integer number (2173437).
Almost surely, 216145454 is an apocalyptic number.
16145454 is an abundant number, since it is smaller than the sum of its proper divisors (18629538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16145454 is a wasteful number, since it uses less digits than its factorization.
16145454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 207011.
The product of its digits is 9600, while the sum is 30.
The square root of 16145454 is about 4018.1406147620. The cubic root of 16145454 is about 252.7454933593.
The spelling of 16145454 in words is "sixteen million, one hundred forty-five thousand, four hundred fifty-four".
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