Base | Representation |
---|---|
bin | 10010010000111… |
… | …10000101000100 |
3 | 101200022010212202 |
4 | 21020132011010 |
5 | 303210342200 |
6 | 23111534032 |
7 | 3540210560 |
oct | 1110360504 |
9 | 350263782 |
10 | 153215300 |
11 | 79538a17 |
12 | 4338a318 |
13 | 25986554 |
14 | 164c46a0 |
15 | d6b71d5 |
hex | 921e144 |
153215300 has 72 divisors (see below), whose sum is σ = 388141824. Its totient is φ = 51402240.
The previous prime is 153215287. The next prime is 153215303. The reversal of 153215300 is 3512351.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is not an unprimeable number, because it can be changed into a prime (153215303) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30572 + ... + 35228.
Almost surely, 2153215300 is an apocalyptic number.
153215300 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 153215300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194070912).
153215300 is an abundant number, since it is smaller than the sum of its proper divisors (234926524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
153215300 is a wasteful number, since it uses less digits than its factorization.
153215300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4725 (or 4718 counting only the distinct ones).
The product of its (nonzero) digits is 450, while the sum is 20.
The square root of 153215300 is about 12378.0168039957. The cubic root of 153215300 is about 535.0988841008.
Adding to 153215300 its reverse (3512351), we get a palindrome (156727651).
The spelling of 153215300 in words is "one hundred fifty-three million, two hundred fifteen thousand, three hundred".
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