Base | Representation |
---|---|
bin | 11101001110001… |
… | …11001011011100 |
3 | 122002021002200200 |
4 | 32213013023130 |
5 | 1000223242134 |
6 | 40154023500 |
7 | 6034414341 |
oct | 1647071334 |
9 | 562232620 |
10 | 245134044 |
11 | 11640a921 |
12 | 6a117b90 |
13 | 3ba2a93c |
14 | 247b07c8 |
15 | 167c2499 |
hex | e9c72dc |
245134044 has 18 divisors (see below), whose sum is σ = 619644480. Its totient is φ = 81711336.
The previous prime is 245134037. The next prime is 245134049. The reversal of 245134044 is 440431542.
It is a happy number.
245134044 is a `hidden beast` number, since 245 + 13 + 404 + 4 = 666.
It is a tau number, because it is divible by the number of its divisors (18).
It is a junction number, because it is equal to n+sod(n) for n = 245133999 and 245134017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245134049) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3404604 + ... + 3404675.
Almost surely, 2245134044 is an apocalyptic number.
It is an amenable number.
245134044 is an abundant number, since it is smaller than the sum of its proper divisors (374510436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245134044 is a wasteful number, since it uses less digits than its factorization.
245134044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6809289 (or 6809284 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 27.
The square root of 245134044 is about 15656.7571354990. The cubic root of 245134044 is about 625.8465703388.
Adding to 245134044 its reverse (440431542), we get a palindrome (685565586).
The spelling of 245134044 in words is "two hundred forty-five million, one hundred thirty-four thousand, forty-four".
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