Base | Representation |
---|---|
bin | 10001110011110… |
… | …11000010011000 |
3 | 101102010101200020 |
4 | 20321323002120 |
5 | 301221324002 |
6 | 22454110440 |
7 | 3462615423 |
oct | 1071730230 |
9 | 342111606 |
10 | 149401752 |
11 | 77373825 |
12 | 4204b420 |
13 | 24c4c806 |
14 | 15bb09ba |
15 | d1b22bc |
hex | 8e7b098 |
149401752 has 32 divisors (see below), whose sum is σ = 373922880. Its totient is φ = 49744800.
The previous prime is 149401751. The next prime is 149401771. The reversal of 149401752 is 257104941.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149401751) 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, 22263 + ... + 28185.
It is an arithmetic number, because the mean of its divisors is an integer number (11685090).
Almost surely, 2149401752 is an apocalyptic number.
149401752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
149401752 is an abundant number, since it is smaller than the sum of its proper divisors (224521128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149401752 is a wasteful number, since it uses less digits than its factorization.
149401752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6983 (or 6979 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 33.
The square root of 149401752 is about 12223.0009408492. Note that the first 3 decimals coincide. The cubic root of 149401752 is about 530.6219730238.
The spelling of 149401752 in words is "one hundred forty-nine million, four hundred one thousand, seven hundred fifty-two".
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