Base | Representation |
---|---|
bin | 10001110111011… |
… | …00111111001111 |
3 | 101110000002221000 |
4 | 20323230333033 |
5 | 301331242440 |
6 | 22512111343 |
7 | 3466601250 |
oct | 1073547717 |
9 | 343002830 |
10 | 149868495 |
11 | 77662467 |
12 | 42235553 |
13 | 250840aa |
14 | 15c92b27 |
15 | d255730 |
hex | 8eecfcf |
149868495 has 32 divisors (see below), whose sum is σ = 304496640. Its totient is φ = 68510880.
The previous prime is 149868473. The next prime is 149868527. The reversal of 149868495 is 594868941.
149868495 is a `hidden beast` number, since 1 + 4 + 98 + 68 + 495 = 666.
It is not a de Polignac number, because 149868495 - 29 = 149867983 is a prime.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 78351 + ... + 80240.
It is an arithmetic number, because the mean of its divisors is an integer number (9515520).
Almost surely, 2149868495 is an apocalyptic number.
149868495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
149868495 is an abundant number, since it is smaller than the sum of its proper divisors (154628145).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149868495 is a wasteful number, since it uses less digits than its factorization.
149868495 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 158612 (or 158606 counting only the distinct ones).
The product of its digits is 2488320, while the sum is 54.
The square root of 149868495 is about 12242.0788675780. The cubic root of 149868495 is about 531.1739670656.
The spelling of 149868495 in words is "one hundred forty-nine million, eight hundred sixty-eight thousand, four hundred ninety-five".
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