Base | Representation |
---|---|
bin | 11101010000010… |
… | …10110011100000 |
3 | 122002210011122210 |
4 | 32220022303200 |
5 | 1000311123130 |
6 | 40204002120 |
7 | 6036650040 |
oct | 1650126340 |
9 | 562704583 |
10 | 245411040 |
11 | 116589a46 |
12 | 6a230340 |
13 | 3bac6a44 |
14 | 24843720 |
15 | 168295b0 |
hex | ea0ace0 |
245411040 has 96 divisors (see below), whose sum is σ = 883491840. Its totient is φ = 56093184.
The previous prime is 245411039. The next prime is 245411071. The reversal of 245411040 is 40114542.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 245410998 and 245411016.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33160 + ... + 39879.
It is an arithmetic number, because the mean of its divisors is an integer number (9203040).
Almost surely, 2245411040 is an apocalyptic number.
245411040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
245411040 is an abundant number, since it is smaller than the sum of its proper divisors (638080800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245411040 is a wasteful number, since it uses less digits than its factorization.
245411040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73064 (or 73056 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 21.
The square root of 245411040 is about 15665.6005311000. The cubic root of 245411040 is about 626.0822124909.
Adding to 245411040 its reverse (40114542), we get a palindrome (285525582).
The spelling of 245411040 in words is "two hundred forty-five million, four hundred eleven thousand, forty".
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