Base | Representation |
---|---|
bin | 11100011111110… |
… | …000100001001101 |
3 | 1020022121100102000 |
4 | 130133300201031 |
5 | 1434342242440 |
6 | 115235022513 |
7 | 14563450236 |
oct | 3437604115 |
9 | 1208540360 |
10 | 478087245 |
11 | 225960029 |
12 | 11413aa39 |
13 | 7808217c |
14 | 476d008d |
15 | 2be8a730 |
hex | 1c7f084d |
478087245 has 32 divisors (see below), whose sum is σ = 851351040. Its totient is φ = 254554560.
The previous prime is 478087241. The next prime is 478087271. The reversal of 478087245 is 542780874.
It is not a de Polignac number, because 478087245 - 22 = 478087241 is a prime.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 478087245.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (478087241) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88780 + ... + 94010.
It is an arithmetic number, because the mean of its divisors is an integer number (26604720).
Almost surely, 2478087245 is an apocalyptic number.
478087245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
478087245 is a deficient number, since it is larger than the sum of its proper divisors (373263795).
478087245 is a wasteful number, since it uses less digits than its factorization.
478087245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5922 (or 5916 counting only the distinct ones).
The product of its (nonzero) digits is 501760, while the sum is 45.
The square root of 478087245 is about 21865.2062647486. The cubic root of 478087245 is about 781.9321183307.
The spelling of 478087245 in words is "four hundred seventy-eight million, eighty-seven thousand, two hundred forty-five".
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