Base | Representation |
---|---|
bin | 10001110001001… |
… | …01110111000111 |
3 | 101101110200002201 |
4 | 20320211313013 |
5 | 301124142441 |
6 | 22442415331 |
7 | 3456633322 |
oct | 1070456707 |
9 | 341420081 |
10 | 149052871 |
11 | 771556a0 |
12 | 41b01547 |
13 | 24b59a86 |
14 | 15b1d7b9 |
15 | d143c31 |
hex | 8e25dc7 |
149052871 has 8 divisors (see below), whose sum is σ = 164214288. Its totient is φ = 134160000.
The previous prime is 149052847. The next prime is 149052881. The reversal of 149052871 is 178250941.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 149052871 - 215 = 149020103 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 149052871.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149052881) 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, 65970 + ... + 68191.
It is an arithmetic number, because the mean of its divisors is an integer number (20526786).
Almost surely, 2149052871 is an apocalyptic number.
149052871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
149052871 is a deficient number, since it is larger than the sum of its proper divisors (15161417).
149052871 is a wasteful number, since it uses less digits than its factorization.
149052871 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134273.
The product of its (nonzero) digits is 20160, while the sum is 37.
The square root of 149052871 is about 12208.7211041943. The cubic root of 149052871 is about 530.2086172923.
The spelling of 149052871 in words is "one hundred forty-nine million, fifty-two thousand, eight hundred seventy-one".
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