Base | Representation |
---|---|
bin | 10001110001111… |
… | …00010111001000 |
3 | 101101122100112002 |
4 | 20320330113020 |
5 | 301140120112 |
6 | 22444410132 |
7 | 3460466111 |
oct | 1070742710 |
9 | 341570462 |
10 | 149145032 |
11 | 77208963 |
12 | 41b46948 |
13 | 24b8c9ca |
14 | 15b45208 |
15 | d1611c2 |
hex | 8e3c5c8 |
149145032 has 8 divisors (see below), whose sum is σ = 279646950. Its totient is φ = 74572512.
The previous prime is 149145023. The next prime is 149145037. The reversal of 149145032 is 230541941.
It can be written as a sum of positive squares in only one way, i.e., 145781476 + 3363556 = 12074^2 + 1834^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a junction number, because it is equal to n+sod(n) for n = 149144986 and 149145004.
It is not an unprimeable number, because it can be changed into a prime (149145037) 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 as a sum of consecutive naturals, namely, 9321557 + ... + 9321572.
Almost surely, 2149145032 is an apocalyptic number.
It is an amenable number.
149145032 is a deficient number, since it is larger than the sum of its proper divisors (130501918).
149145032 is a wasteful number, since it uses less digits than its factorization.
149145032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18643135 (or 18643131 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 29.
The square root of 149145032 is about 12212.4949129979. The cubic root of 149145032 is about 530.3178726824.
Adding to 149145032 its reverse (230541941), we get a palindrome (379686973).
The spelling of 149145032 in words is "one hundred forty-nine million, one hundred forty-five thousand, thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •