Base | Representation |
---|---|
bin | 10001110100111… |
… | …10111101010000 |
3 | 101102101212111102 |
4 | 20322132331100 |
5 | 301241031010 |
6 | 22501203532 |
7 | 3464100365 |
oct | 1072367520 |
9 | 342355442 |
10 | 149548880 |
11 | 77464318 |
12 | 421005a8 |
13 | 24ca1780 |
14 | 15c0c46c |
15 | d1e0ba5 |
hex | 8e9ef50 |
149548880 has 40 divisors (see below), whose sum is σ = 374449992. Its totient is φ = 55217664.
The previous prime is 149548873. The next prime is 149548909. The reversal of 149548880 is 88845941.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 5740816 + 143808064 = 2396^2 + 11992^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70859 + ... + 72938.
Almost surely, 2149548880 is an apocalyptic number.
149548880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
149548880 is an abundant number, since it is smaller than the sum of its proper divisors (224901112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149548880 is a wasteful number, since it uses less digits than its factorization.
149548880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143823 (or 143817 counting only the distinct ones).
The product of its (nonzero) digits is 368640, while the sum is 47.
The square root of 149548880 is about 12229.0179491241. The cubic root of 149548880 is about 530.7960980158.
The spelling of 149548880 in words is "one hundred forty-nine million, five hundred forty-eight thousand, eight hundred eighty".
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