Base | Representation |
---|---|
bin | 11100100010000… |
… | …000100001010000 |
3 | 1020100201022111110 |
4 | 130202000201100 |
5 | 1440020131242 |
6 | 115255413320 |
7 | 14601454656 |
oct | 3442004120 |
9 | 1210638443 |
10 | 478677072 |
11 | 226223195 |
12 | 114384240 |
13 | 7822a793 |
14 | 47804dd6 |
15 | 2c05539c |
hex | 1c880850 |
478677072 has 20 divisors (see below), whose sum is σ = 1236582560. Its totient is φ = 159559008.
The previous prime is 478677071. The next prime is 478677083. The reversal of 478677072 is 270776874.
It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 9972439 = 478677072 / (4 + 7 + 8 + 6 + 7 + 7 + 0 + 7 + 2).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (478677071) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4986172 + ... + 4986267.
It is an arithmetic number, because the mean of its divisors is an integer number (61829128).
Almost surely, 2478677072 is an apocalyptic number.
It is an amenable number.
478677072 is an abundant number, since it is smaller than the sum of its proper divisors (757905488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
478677072 is a wasteful number, since it uses less digits than its factorization.
478677072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9972450 (or 9972444 counting only the distinct ones).
The product of its (nonzero) digits is 921984, while the sum is 48.
The square root of 478677072 is about 21878.6899059336. The cubic root of 478677072 is about 782.2535486024.
The spelling of 478677072 in words is "four hundred seventy-eight million, six hundred seventy-seven thousand, seventy-two".
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