Base | Representation |
---|---|
bin | 10010010011011… |
… | …10100100111100 |
3 | 101200220220011121 |
4 | 21021232210330 |
5 | 303301420040 |
6 | 23123000324 |
7 | 3543053056 |
oct | 1111564474 |
9 | 350826147 |
10 | 153545020 |
11 | 79743712 |
12 | 435090a4 |
13 | 25a70655 |
14 | 1656c8d6 |
15 | d72ec4a |
hex | 926e93c |
153545020 has 48 divisors (see below), whose sum is σ = 345588768. Its totient is φ = 57098240.
The previous prime is 153545011. The next prime is 153545027. The reversal of 153545020 is 20545351.
153545020 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.
153545020 is strictly pandigital in base 9.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (153545027) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25500 + ... + 30940.
It is an arithmetic number, because the mean of its divisors is an integer number (7199766).
Almost surely, 2153545020 is an apocalyptic number.
153545020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 153545020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172794384).
153545020 is an abundant number, since it is smaller than the sum of its proper divisors (192043748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
153545020 is a wasteful number, since it uses less digits than its factorization.
153545020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5550 (or 5548 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 25.
The square root of 153545020 is about 12391.3284195037. The cubic root of 153545020 is about 535.4824541354.
The spelling of 153545020 in words is "one hundred fifty-three million, five hundred forty-five thousand, twenty".
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