Base | Representation |
---|---|
bin | 11101001111101… |
… | …10101000111100 |
3 | 122002121222100200 |
4 | 32213312220330 |
5 | 1000301002234 |
6 | 40202123500 |
7 | 6036154164 |
oct | 1647665074 |
9 | 562558320 |
10 | 245328444 |
11 | 116532989 |
12 | 6a1b0590 |
13 | 3ba9827a |
14 | 248215a4 |
15 | 1680ed99 |
hex | e9f6a3c |
245328444 has 18 divisors (see below), whose sum is σ = 620135880. Its totient is φ = 81776136.
The previous prime is 245328443. The next prime is 245328469. The reversal of 245328444 is 444823542.
245328444 is a `hidden beast` number, since 2 + 4 + 532 + 84 + 44 = 666.
It is a tau number, because it is divible by the number of its divisors (18).
It is a super-2 number, since 2×2453284442 = 120372090870922272, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6814679 = 245328444 / (2 + 4 + 5 + 3 + 2 + 8 + 4 + 4 + 4).
It is a junction number, because it is equal to n+sod(n) for n = 245328399 and 245328408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245328443) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3407304 + ... + 3407375.
Almost surely, 2245328444 is an apocalyptic number.
It is an amenable number.
245328444 is an abundant number, since it is smaller than the sum of its proper divisors (374807436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245328444 is a wasteful number, since it uses less digits than its factorization.
245328444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6814689 (or 6814684 counting only the distinct ones).
The product of its digits is 122880, while the sum is 36.
The square root of 245328444 is about 15662.9640872984. The cubic root of 245328444 is about 626.0119661416.
The spelling of 245328444 in words is "two hundred forty-five million, three hundred twenty-eight thousand, four hundred forty-four".
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