Base | Representation |
---|---|
bin | 10001110011100… |
… | …11110100110000 |
3 | 101102001220011000 |
4 | 20321303310300 |
5 | 301214402313 |
6 | 22453322000 |
7 | 3462433326 |
oct | 1071636460 |
9 | 342056130 |
10 | 149372208 |
11 | 77353607 |
12 | 42036300 |
13 | 24c3c22b |
14 | 15ba3d16 |
15 | d1a8673 |
hex | 8e73d30 |
149372208 has 40 divisors (see below), whose sum is σ = 428754800. Its totient is φ = 49790592.
The previous prime is 149372207. The next prime is 149372227. The reversal of 149372208 is 802273941.
149372208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149372207) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172453 + ... + 173316.
It is an arithmetic number, because the mean of its divisors is an integer number (10718870).
Almost surely, 2149372208 is an apocalyptic number.
149372208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
149372208 is an abundant number, since it is smaller than the sum of its proper divisors (279382592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149372208 is a wasteful number, since it uses less digits than its factorization.
149372208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 345786 (or 345774 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 149372208 is about 12221.7923399148. The cubic root of 149372208 is about 530.5869941189.
The spelling of 149372208 in words is "one hundred forty-nine million, three hundred seventy-two thousand, two hundred eight".
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