Base | Representation |
---|---|
bin | 10001110111100… |
… | …00011010011000 |
3 | 101110000211011110 |
4 | 20323300122120 |
5 | 301332220040 |
6 | 22512300320 |
7 | 3466660164 |
oct | 1073603230 |
9 | 343024143 |
10 | 149882520 |
11 | 77671a57 |
12 | 422416a0 |
13 | 2508a5a8 |
14 | 15c97ca4 |
15 | d259980 |
hex | 8ef0698 |
149882520 has 128 divisors (see below), whose sum is σ = 475453440. Its totient is φ = 37739520.
The previous prime is 149882519. The next prime is 149882531. The reversal of 149882520 is 25288941.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159492 + ... + 160428.
It is an arithmetic number, because the mean of its divisors is an integer number (3714480).
Almost surely, 2149882520 is an apocalyptic number.
149882520 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 149882520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237726720).
149882520 is an abundant number, since it is smaller than the sum of its proper divisors (325570920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149882520 is a wasteful number, since it uses less digits than its factorization.
149882520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1025 (or 1021 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 39.
The square root of 149882520 is about 12242.6516735550. The cubic root of 149882520 is about 531.1905359971.
The spelling of 149882520 in words is "one hundred forty-nine million, eight hundred eighty-two thousand, five hundred twenty".
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