Base | Representation |
---|---|
bin | 10001001011110… |
… | …00110100011110 |
3 | 101001020120100010 |
4 | 20211320310132 |
5 | 243400243130 |
6 | 22145344050 |
7 | 3400152531 |
oct | 1045706436 |
9 | 331216303 |
10 | 144149790 |
11 | 74406964 |
12 | 40338026 |
13 | 23b31145 |
14 | 15204a18 |
15 | c9c60b0 |
hex | 8978d1e |
144149790 has 16 divisors (see below), whose sum is σ = 345959568. Its totient is φ = 38439936.
The previous prime is 144149777. The next prime is 144149843. The reversal of 144149790 is 97941441.
144149790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2402467 + ... + 2402526.
It is an arithmetic number, because the mean of its divisors is an integer number (21622473).
Almost surely, 2144149790 is an apocalyptic number.
144149790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144149790 is an abundant number, since it is smaller than the sum of its proper divisors (201809778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144149790 is a wasteful number, since it uses less digits than its factorization.
144149790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4805003.
The product of its (nonzero) digits is 36288, while the sum is 39.
The square root of 144149790 is about 12006.2396277935. The cubic root of 144149790 is about 524.3299569978.
The spelling of 144149790 in words is "one hundred forty-four million, one hundred forty-nine thousand, seven hundred ninety".
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