Base | Representation |
---|---|
bin | 10001010111010… |
… | …10010100011100 |
3 | 101011002110102120 |
4 | 20223222110130 |
5 | 244242211020 |
6 | 22242022540 |
7 | 3416055141 |
oct | 1053522434 |
9 | 334073376 |
10 | 145663260 |
11 | 7524aa66 |
12 | 40947a50 |
13 | 24240ca2 |
14 | 154ba3c8 |
15 | cbc4740 |
hex | 8aea51c |
145663260 has 24 divisors (see below), whose sum is σ = 407857296. Its totient is φ = 38843520.
The previous prime is 145663249. The next prime is 145663261. The reversal of 145663260 is 62366541.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145663261) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213801 + ... + 1213920.
It is an arithmetic number, because the mean of its divisors is an integer number (16994054).
Almost surely, 2145663260 is an apocalyptic number.
145663260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145663260 is an abundant number, since it is smaller than the sum of its proper divisors (262194036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145663260 is a wasteful number, since it uses less digits than its factorization.
145663260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2427733 (or 2427731 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 33.
The square root of 145663260 is about 12069.1035292602. The cubic root of 145663260 is about 526.1586022423.
The spelling of 145663260 in words is "one hundred forty-five million, six hundred sixty-three thousand, two hundred sixty".
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