Base | Representation |
---|---|
bin | 10001001100100… |
… | …01011001010100 |
3 | 101001102200102100 |
4 | 20212101121110 |
5 | 243412003302 |
6 | 22151442100 |
7 | 3401052153 |
oct | 1046213124 |
9 | 331380370 |
10 | 144250452 |
11 | 74475555 |
12 | 40386330 |
13 | 23b67bc8 |
14 | 1522d59a |
15 | c9e5d1c |
hex | 8991654 |
144250452 has 18 divisors (see below), whose sum is σ = 364633178. Its totient is φ = 48083472.
The previous prime is 144250433. The next prime is 144250481. The reversal of 144250452 is 254052441.
It can be written as a sum of positive squares in only one way, i.e., 109746576 + 34503876 = 10476^2 + 5874^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2003443 + ... + 2003514.
Almost surely, 2144250452 is an apocalyptic number.
144250452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
144250452 is an abundant number, since it is smaller than the sum of its proper divisors (220382726).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144250452 is a wasteful number, since it uses less digits than its factorization.
144250452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4006967 (or 4006962 counting only the distinct ones).
The product of its (nonzero) digits is 6400, while the sum is 27.
The square root of 144250452 is about 12010.4309664558. The cubic root of 144250452 is about 524.4519778050.
The spelling of 144250452 in words is "one hundred forty-four million, two hundred fifty thousand, four hundred fifty-two".
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