Base | Representation |
---|---|
bin | 11101001111010… |
… | …00111010100110 |
3 | 122002112010020200 |
4 | 32213220322212 |
5 | 1000242202410 |
6 | 40201011330 |
7 | 6035531250 |
oct | 1647507246 |
9 | 562463220 |
10 | 245272230 |
11 | 1164a4725 |
12 | 6a183b46 |
13 | 3ba787c8 |
14 | 24808cd0 |
15 | 167ed3c0 |
hex | e9e8ea6 |
245272230 has 96 divisors (see below), whose sum is σ = 760541184. Its totient is φ = 53621568.
The previous prime is 245272229. The next prime is 245272231. The reversal of 245272230 is 32272542.
It is an interprime number because it is at equal distance from previous prime (245272229) and next prime (245272231).
It is a junction number, because it is equal to n+sod(n) for n = 245272194 and 245272203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245272231) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6027 + ... + 22953.
It is an arithmetic number, because the mean of its divisors is an integer number (7922304).
Almost surely, 2245272230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 245272230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380270592).
245272230 is an abundant number, since it is smaller than the sum of its proper divisors (515268954).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245272230 is a wasteful number, since it uses less digits than its factorization.
245272230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16970 (or 16967 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 27.
The square root of 245272230 is about 15661.1694965606. The cubic root of 245272230 is about 625.9641481711.
The spelling of 245272230 in words is "two hundred forty-five million, two hundred seventy-two thousand, two hundred thirty".
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