Base | Representation |
---|---|
bin | 10001110011101… |
… | …10110101100110 |
3 | 101102002112002010 |
4 | 20321312311212 |
5 | 301220301200 |
6 | 22453455050 |
7 | 3462514320 |
oct | 1071666546 |
9 | 342075063 |
10 | 149384550 |
11 | 77361907 |
12 | 42041486 |
13 | 24c44a33 |
14 | 15ba8610 |
15 | d1ac150 |
hex | 8e76d66 |
149384550 has 48 divisors (see below), whose sum is σ = 423401472. Its totient is φ = 34144800.
The previous prime is 149384533. The next prime is 149384561. The reversal of 149384550 is 55483941.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 149384499 and 149384508.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70086 + ... + 72185.
It is an arithmetic number, because the mean of its divisors is an integer number (8820864).
Almost surely, 2149384550 is an apocalyptic number.
149384550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
149384550 is an abundant number, since it is smaller than the sum of its proper divisors (274016922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149384550 is a wasteful number, since it uses less digits than its factorization.
149384550 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142293 (or 142288 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 39.
The square root of 149384550 is about 12222.2972472445. The cubic root of 149384550 is about 530.6016071102.
The spelling of 149384550 in words is "one hundred forty-nine million, three hundred eighty-four thousand, five hundred fifty".
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