Base | Representation |
---|---|
bin | 10001010010000… |
… | …01010011000000 |
3 | 101002210021202020 |
4 | 20221001103000 |
5 | 244103032234 |
6 | 22215121440 |
7 | 3410142546 |
oct | 1051012300 |
9 | 332707666 |
10 | 144970944 |
11 | 749178a8 |
12 | 40673280 |
13 | 2405ab31 |
14 | 15379d96 |
15 | cad9549 |
hex | 8a414c0 |
144970944 has 28 divisors (see below), whose sum is σ = 383569464. Its totient is φ = 48323584.
The previous prime is 144970939. The next prime is 144970949. The reversal of 144970944 is 449079441.
It is an interprime number because it is at equal distance from previous prime (144970939) and next prime (144970949).
It is a super-2 number, since 2×1449709442 = 42033149208502272, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 144970896 and 144970905.
It is not an unprimeable number, because it can be changed into a prime (144970949) 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, 377337 + ... + 377720.
Almost surely, 2144970944 is an apocalyptic number.
It is an amenable number.
144970944 is an abundant number, since it is smaller than the sum of its proper divisors (238598520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144970944 is an equidigital number, since it uses as much as digits as its factorization.
144970944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 755072 (or 755062 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 42.
The square root of 144970944 is about 12040.3880336142. The cubic root of 144970944 is about 525.3236933535.
The spelling of 144970944 in words is "one hundred forty-four million, nine hundred seventy thousand, nine hundred forty-four".
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