Base | Representation |
---|---|
bin | 10001110100110… |
… | …11110100010010 |
3 | 101102101012212001 |
4 | 20322123310102 |
5 | 301240123033 |
6 | 22501024214 |
7 | 3464015032 |
oct | 1072336422 |
9 | 342335761 |
10 | 149536018 |
11 | 77455695 |
12 | 420b506a |
13 | 24c98968 |
14 | 15c078c2 |
15 | d1dbe7d |
hex | 8e9bd12 |
149536018 has 32 divisors (see below), whose sum is σ = 243000576. Its totient is φ = 68827968.
The previous prime is 149536007. The next prime is 149536091. The reversal of 149536018 is 810635941.
149536018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×1495360183 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174880 + ... + 175732.
It is an arithmetic number, because the mean of its divisors is an integer number (7593768).
Almost surely, 2149536018 is an apocalyptic number.
149536018 is a deficient number, since it is larger than the sum of its proper divisors (93464558).
149536018 is a wasteful number, since it uses less digits than its factorization.
149536018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1018.
The product of its (nonzero) digits is 25920, while the sum is 37.
The square root of 149536018 is about 12228.4920574861. The cubic root of 149536018 is about 530.7808804826.
The spelling of 149536018 in words is "one hundred forty-nine million, five hundred thirty-six thousand, eighteen".
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