Base | Representation |
---|---|
bin | 111000111100… |
… | …0000111110001 |
3 | 2002011122110000 |
4 | 1301320013301 |
5 | 30120232040 |
6 | 2543500213 |
7 | 511511331 |
oct | 161700761 |
9 | 62148400 |
10 | 29852145 |
11 | 1593a3a4 |
12 | 9bb7669 |
13 | 62528bb |
14 | 3d710c1 |
15 | 294a130 |
hex | 1c781f1 |
29852145 has 20 divisors (see below), whose sum is σ = 53513460. Its totient is φ = 15920928.
The previous prime is 29852131. The next prime is 29852159. The reversal of 29852145 is 54125892.
29852145 is a `hidden beast` number, since 2 + 98 + 521 + 45 = 666.
It is an interprime number because it is at equal distance from previous prime (29852131) and next prime (29852159).
It can be written as a sum of positive squares in 2 ways, for example, as 4359744 + 25492401 = 2088^2 + 5049^2 .
It is not a de Polignac number, because 29852145 - 24 = 29852129 is a prime.
It is a super-2 number, since 2×298521452 = 1782301122202050, which contains 22 as substring.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36450 + ... + 37259.
It is an arithmetic number, because the mean of its divisors is an integer number (2675673).
Almost surely, 229852145 is an apocalyptic number.
It is an amenable number.
29852145 is a deficient number, since it is larger than the sum of its proper divisors (23661315).
29852145 is an equidigital number, since it uses as much as digits as its factorization.
29852145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73726 (or 73717 counting only the distinct ones).
The product of its digits is 28800, while the sum is 36.
The square root of 29852145 is about 5463.7116505174. The cubic root of 29852145 is about 310.2119431667.
The spelling of 29852145 in words is "twenty-nine million, eight hundred fifty-two thousand, one hundred forty-five".
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