Base | Representation |
---|---|
bin | 11101010000011… |
… | …01100000110011 |
3 | 122002210201212120 |
4 | 32220031200303 |
5 | 1000312002011 |
6 | 40204125323 |
7 | 6040024263 |
oct | 1650154063 |
9 | 562721776 |
10 | 245422131 |
11 | 116597309 |
12 | 6a236843 |
13 | 3bacbac6 |
14 | 248477a3 |
15 | 1682ca06 |
hex | ea0d833 |
245422131 has 8 divisors (see below), whose sum is σ = 331712400. Its totient is φ = 161373312.
The previous prime is 245422103. The next prime is 245422159. The reversal of 245422131 is 131224542.
It is an interprime number because it is at equal distance from previous prime (245422103) and next prime (245422159).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 245422131 - 27 = 245422003 is a prime.
It is a super-2 number, since 2×2454221312 = 120464044769162322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (245422181) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 560106 + ... + 560543.
It is an arithmetic number, because the mean of its divisors is an integer number (41464050).
Almost surely, 2245422131 is an apocalyptic number.
245422131 is a deficient number, since it is larger than the sum of its proper divisors (86290269).
245422131 is a wasteful number, since it uses less digits than its factorization.
245422131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1120725.
The product of its digits is 1920, while the sum is 24.
The square root of 245422131 is about 15665.9545192752. The cubic root of 245422131 is about 626.0916439780.
Adding to 245422131 its reverse (131224542), we get a palindrome (376646673).
The spelling of 245422131 in words is "two hundred forty-five million, four hundred twenty-two thousand, one hundred thirty-one".
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