Base | Representation |
---|---|
bin | 10001110011101… |
… | …11000100010100 |
3 | 101102002120101000 |
4 | 20321313010110 |
5 | 301220313432 |
6 | 22453503300 |
7 | 3462520134 |
oct | 1071670424 |
9 | 342076330 |
10 | 149385492 |
11 | 77362593 |
12 | 42041b30 |
13 | 24c452a9 |
14 | 15ba8ac4 |
15 | d1ac57c |
hex | 8e77114 |
149385492 has 24 divisors (see below), whose sum is σ = 387296000. Its totient is φ = 49795128.
The previous prime is 149385487. The next prime is 149385499. The reversal of 149385492 is 294583941.
149385492 is a `hidden beast` number, since 14 + 93 + 8 + 549 + 2 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149385499) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 691492 + ... + 691707.
Almost surely, 2149385492 is an apocalyptic number.
149385492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
149385492 is an abundant number, since it is smaller than the sum of its proper divisors (237910508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149385492 is a wasteful number, since it uses less digits than its factorization.
149385492 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1383212 (or 1383204 counting only the distinct ones).
The product of its digits is 311040, while the sum is 45.
The square root of 149385492 is about 12222.3357833108. The cubic root of 149385492 is about 530.6027224100.
It can be divided in two parts, 149 and 385492, that added together give a square (385641 = 6212).
The spelling of 149385492 in words is "one hundred forty-nine million, three hundred eighty-five thousand, four hundred ninety-two".
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