Base | Representation |
---|---|
bin | 10001110100100… |
… | …10000011010010 |
3 | 101102022011222120 |
4 | 20322102003102 |
5 | 301232333033 |
6 | 22500115110 |
7 | 3463460310 |
oct | 1072220322 |
9 | 342264876 |
10 | 149496018 |
11 | 77428631 |
12 | 42095a96 |
13 | 24c836a9 |
14 | 15bd70b0 |
15 | d1d01b3 |
hex | 8e920d2 |
149496018 has 32 divisors (see below), whose sum is σ = 344408064. Its totient is φ = 42375312.
The previous prime is 149495959. The next prime is 149496019. The reversal of 149496018 is 810694941.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (149496019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8680 + ... + 19347.
It is an arithmetic number, because the mean of its divisors is an integer number (10762752).
Almost surely, 2149496018 is an apocalyptic number.
149496018 is an abundant number, since it is smaller than the sum of its proper divisors (194912046).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149496018 is a wasteful number, since it uses less digits than its factorization.
149496018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28166.
The product of its (nonzero) digits is 62208, while the sum is 42.
The square root of 149496018 is about 12226.8564234639. The cubic root of 149496018 is about 530.7335493471.
The spelling of 149496018 in words is "one hundred forty-nine million, four hundred ninety-six thousand, eighteen".
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