Base | Representation |
---|---|
bin | 10001110011110… |
… | …00110101010010 |
3 | 101102002221021210 |
4 | 20321320311102 |
5 | 301221031342 |
6 | 22454000550 |
7 | 3462550203 |
oct | 1071706522 |
9 | 342087253 |
10 | 149392722 |
11 | 77367a66 |
12 | 42046156 |
13 | 24c4867b |
14 | 15bab5aa |
15 | d1ae79c |
hex | 8e78d52 |
149392722 has 16 divisors (see below), whose sum is σ = 300690432. Its totient is φ = 49480080.
The previous prime is 149392699. The next prime is 149392729. The reversal of 149392722 is 227293941.
149392722 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (149392729) 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, 78354 + ... + 80237.
It is an arithmetic number, because the mean of its divisors is an integer number (18793152).
Almost surely, 2149392722 is an apocalyptic number.
149392722 is an abundant number, since it is smaller than the sum of its proper divisors (151297710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149392722 is a wasteful number, since it uses less digits than its factorization.
149392722 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158753.
The product of its digits is 54432, while the sum is 39.
The square root of 149392722 is about 12222.6315497114. The cubic root of 149392722 is about 530.6112823572.
The spelling of 149392722 in words is "one hundred forty-nine million, three hundred ninety-two thousand, seven hundred twenty-two".
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