Base | Representation |
---|---|
bin | 11101010000010… |
… | …10110011010111 |
3 | 122002210011122110 |
4 | 32220022303113 |
5 | 1000311123111 |
6 | 40204002103 |
7 | 6036650025 |
oct | 1650126327 |
9 | 562704573 |
10 | 245411031 |
11 | 116589a38 |
12 | 6a230333 |
13 | 3bac6a38 |
14 | 24843715 |
15 | 168295a6 |
hex | ea0acd7 |
245411031 has 16 divisors (see below), whose sum is σ = 352339200. Its totient is φ = 151371648.
The previous prime is 245410999. The next prime is 245411039. The reversal of 245411031 is 130114542.
It is not a de Polignac number, because 245411031 - 25 = 245410999 is a prime.
It is a super-2 number, since 2×2454110312 = 120453148272965922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 245410989 and 245411007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245411039) 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, 37771 + ... + 43788.
It is an arithmetic number, because the mean of its divisors is an integer number (22021200).
Almost surely, 2245411031 is an apocalyptic number.
245411031 is a deficient number, since it is larger than the sum of its proper divisors (106928169).
245411031 is a wasteful number, since it uses less digits than its factorization.
245411031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81638.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 245411031 is about 15665.6002438464. The cubic root of 245411031 is about 626.0822048374.
Adding to 245411031 its reverse (130114542), we get a palindrome (375525573).
The spelling of 245411031 in words is "two hundred forty-five million, four hundred eleven thousand, thirty-one".
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