| Base | Representation |
|---|---|
| bin | 10001110111111… |
| … | …11101000011100 |
| 3 | 101110010222200100 |
| 4 | 20323333220130 |
| 5 | 301341213420 |
| 6 | 22513501100 |
| 7 | 3500340012 |
| oct | 1073775034 |
| 9 | 343128610 |
| 10 | 149944860 |
| 11 | 7770487a |
| 12 | 42271790 |
| 13 | 250aca90 |
| 14 | 15cb28b2 |
| 15 | d26d190 |
| hex | 8effa1c |
149944860 has 144 divisors (see below), whose sum is σ = 494413920. Its totient is φ = 36564480.
The previous prime is 149944853. The next prime is 149944867. The reversal of 149944860 is 68449941.
149944860 is a `hidden beast` number, since 149 + 9 + 448 + 60 = 666.
It is an interprime number because it is at equal distance from previous prime (149944853) and next prime (149944867).
It is a super-2 number, since 2×1499448602 = 44966922080839200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149944867) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 325030 + ... + 325490.
It is an arithmetic number, because the mean of its divisors is an integer number (3433430).
Almost surely, 2149944860 is an apocalyptic number.
149944860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 149944860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247206960).
149944860 is an abundant number, since it is smaller than the sum of its proper divisors (344469060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149944860 is a wasteful number, since it uses less digits than its factorization.
149944860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 628 (or 623 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The square root of 149944860 is about 12245.1974259299. The cubic root of 149944860 is about 531.2641710637.
The spelling of 149944860 in words is "one hundred forty-nine million, nine hundred forty-four thousand, eight hundred sixty".
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