Base | Representation |
---|---|
bin | 11101010000001… |
… | …00111101011100 |
3 | 122002201221211010 |
4 | 32220010331130 |
5 | 1000304341400 |
6 | 40203255220 |
7 | 6036520200 |
oct | 1650047534 |
9 | 562657733 |
10 | 245387100 |
11 | 116572a62 |
12 | 6a21a510 |
13 | 3bab8b8a |
14 | 24838b00 |
15 | 16822450 |
hex | ea04f5c |
245387100 has 108 divisors (see below), whose sum is σ = 825952344. Its totient is φ = 56085120.
The previous prime is 245387083. The next prime is 245387101. The reversal of 245387100 is 1783542.
245387100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245387101) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6354 + ... + 23046.
Almost surely, 2245387100 is an apocalyptic number.
245387100 is a gapful number since it is divisible by the number (20) 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 245387100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412976172).
245387100 is an abundant number, since it is smaller than the sum of its proper divisors (580565244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245387100 is a wasteful number, since it uses less digits than its factorization.
245387100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16724 (or 16710 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 245387100 is about 15664.8364179138. The cubic root of 245387100 is about 626.0618535921.
The spelling of 245387100 in words is "two hundred forty-five million, three hundred eighty-seven thousand, one hundred".
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