Base | Representation |
---|---|
bin | 10010010010110… |
… | …00101101010101 |
3 | 101200202100022000 |
4 | 21021120231111 |
5 | 303241033240 |
6 | 23121025513 |
7 | 3542230653 |
oct | 1111305525 |
9 | 350670260 |
10 | 153455445 |
11 | 79692390 |
12 | 43485299 |
13 | 25a3b950 |
14 | 16547dd3 |
15 | d713430 |
hex | 9258b55 |
153455445 has 64 divisors (see below), whose sum is σ = 320544000. Its totient is φ = 68670720.
The previous prime is 153455437. The next prime is 153455509. The reversal of 153455445 is 544554351.
It is not a de Polignac number, because 153455445 - 23 = 153455437 is a prime.
It is a congruent number.
It is an unprimeable number.
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 63 ways as a sum of consecutive naturals, for example, 15331 + ... + 23279.
It is an arithmetic number, because the mean of its divisors is an integer number (5008500).
Almost surely, 2153455445 is an apocalyptic number.
153455445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
153455445 is an abundant number, since it is smaller than the sum of its proper divisors (167088555).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
153455445 is a wasteful number, since it uses less digits than its factorization.
153455445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7987 (or 7981 counting only the distinct ones).
The product of its digits is 120000, while the sum is 36.
The square root of 153455445 is about 12387.7134694018. The cubic root of 153455445 is about 535.3783040707.
The spelling of 153455445 in words is "one hundred fifty-three million, four hundred fifty-five thousand, four hundred forty-five".
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