Base | Representation |
---|---|
bin | 10001110011101… |
… | …11000101000110 |
3 | 101102002120102212 |
4 | 20321313011012 |
5 | 301220314132 |
6 | 22453503422 |
7 | 3462520235 |
oct | 1071670506 |
9 | 342076385 |
10 | 149385542 |
11 | 77362629 |
12 | 42041b72 |
13 | 24c45317 |
14 | 15ba8b1c |
15 | d1ac5b2 |
hex | 8e77146 |
149385542 has 8 divisors (see below), whose sum is σ = 224643936. Its totient is φ = 74504232.
The previous prime is 149385541. The next prime is 149385553. The reversal of 149385542 is 245583941.
149385542 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 149385542.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149385541) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93278 + ... + 94865.
It is an arithmetic number, because the mean of its divisors is an integer number (28080492).
Almost surely, 2149385542 is an apocalyptic number.
149385542 is a deficient number, since it is larger than the sum of its proper divisors (75258394).
149385542 is a wasteful number, since it uses less digits than its factorization.
149385542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 188542.
The product of its digits is 172800, while the sum is 41.
The square root of 149385542 is about 12222.3378287462. The cubic root of 149385542 is about 530.6027816084.
The spelling of 149385542 in words is "one hundred forty-nine million, three hundred eighty-five thousand, five hundred forty-two".
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