Base | Representation |
---|---|
bin | 10001110010110… |
… | …10000110110101 |
3 | 101101212112122120 |
4 | 20321122012311 |
5 | 301203014434 |
6 | 22451150153 |
7 | 3461514243 |
oct | 1071320665 |
9 | 341775576 |
10 | 149266869 |
11 | 77291454 |
12 | 41ba5359 |
13 | 24c032bb |
14 | 15b77793 |
15 | d187349 |
hex | 8e5a1b5 |
149266869 has 8 divisors (see below), whose sum is σ = 209497440. Its totient is φ = 94273776.
The previous prime is 149266867. The next prime is 149266903. The reversal of 149266869 is 968662941.
149266869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 149266869 - 21 = 149266867 is a prime.
It is a super-2 number, since 2×1492668692 = 44561196362126322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149266861) 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, 1309302 + ... + 1309415.
It is an arithmetic number, because the mean of its divisors is an integer number (26187180).
Almost surely, 2149266869 is an apocalyptic number.
149266869 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
149266869 is a deficient number, since it is larger than the sum of its proper divisors (60230571).
149266869 is a wasteful number, since it uses less digits than its factorization.
149266869 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2618739.
The product of its digits is 1119744, while the sum is 51.
The square root of 149266869 is about 12217.4821055731. The cubic root of 149266869 is about 530.4622394368.
The spelling of 149266869 in words is "one hundred forty-nine million, two hundred sixty-six thousand, eight hundred sixty-nine".
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