Base | Representation |
---|---|
bin | 10010010110100… |
… | …00010111100000 |
3 | 101201200020121201 |
4 | 21023100113200 |
5 | 303402224233 |
6 | 23135330544 |
7 | 3546341620 |
oct | 1113202740 |
9 | 351606551 |
10 | 153945568 |
11 | 79997647 |
12 | 43680a54 |
13 | 25b80a6a |
14 | 16634880 |
15 | d7ad77d |
hex | 92d05e0 |
153945568 has 48 divisors (see below), whose sum is σ = 348382944. Its totient is φ = 65594880.
The previous prime is 153945563. The next prime is 153945587. The reversal of 153945568 is 865549351.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (153945563) 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, 38646 + ... + 42442.
It is an arithmetic number, because the mean of its divisors is an integer number (7257978).
Almost surely, 2153945568 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 153945568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174191472).
153945568 is an abundant number, since it is smaller than the sum of its proper divisors (194437376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
153945568 is a wasteful number, since it uses less digits than its factorization.
153945568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3995 (or 3987 counting only the distinct ones).
The product of its digits is 648000, while the sum is 46.
The square root of 153945568 is about 12407.4803243850. The cubic root of 153945568 is about 535.9476818319.
The spelling of 153945568 in words is "one hundred fifty-three million, nine hundred forty-five thousand, five hundred sixty-eight".
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