Base | Representation |
---|---|
bin | 10001010101001… |
… | …10000101011000 |
3 | 101010120021001000 |
4 | 20222212011120 |
5 | 244204240033 |
6 | 22232025000 |
7 | 3413512245 |
oct | 1052460530 |
9 | 333507030 |
10 | 145383768 |
11 | 75079a82 |
12 | 40832160 |
13 | 241739ca |
14 | 154465cc |
15 | cb6ba13 |
hex | 8aa6158 |
145383768 has 32 divisors (see below), whose sum is σ = 403844400. Its totient is φ = 48461184.
The previous prime is 145383761. The next prime is 145383781. The reversal of 145383768 is 867383541.
It is a super-2 number, since 2×1453837682 = 42272879995755648, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145383761) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 336321 + ... + 336752.
Almost surely, 2145383768 is an apocalyptic number.
145383768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
145383768 is an abundant number, since it is smaller than the sum of its proper divisors (258460632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145383768 is a wasteful number, since it uses less digits than its factorization.
145383768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 673088 (or 673078 counting only the distinct ones).
The product of its digits is 483840, while the sum is 45.
The square root of 145383768 is about 12057.5191478181. The cubic root of 145383768 is about 525.8218637585.
The spelling of 145383768 in words is "one hundred forty-five million, three hundred eighty-three thousand, seven hundred sixty-eight".
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