Base | Representation |
---|---|
bin | 10001001110111… |
… | …11111101100110 |
3 | 101002001000212020 |
4 | 20213133331212 |
5 | 244002303022 |
6 | 22202404010 |
7 | 3403562322 |
oct | 1047377546 |
9 | 332030766 |
10 | 144572262 |
11 | 7467530a |
12 | 40500606 |
13 | 23c4b523 |
14 | 152b4982 |
15 | ca5b35c |
hex | 89dff66 |
144572262 has 8 divisors (see below), whose sum is σ = 289144536. Its totient is φ = 48190752.
The previous prime is 144572261. The next prime is 144572269. The reversal of 144572262 is 262275441.
It is a sphenic number, since it is the product of 3 distinct primes.
144572262 is an admirable number.
It is a super-2 number, since 2×1445722622 = 41802277879593288, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144572261) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12047683 + ... + 12047694.
It is an arithmetic number, because the mean of its divisors is an integer number (36143067).
Almost surely, 2144572262 is an apocalyptic number.
144572262 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144572262 is a wasteful number, since it uses less digits than its factorization.
144572262 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24095382.
The product of its digits is 26880, while the sum is 33.
The square root of 144572262 is about 12023.8206074442. The cubic root of 144572262 is about 524.8416901361.
The spelling of 144572262 in words is "one hundred forty-four million, five hundred seventy-two thousand, two hundred sixty-two".
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