Base | Representation |
---|---|
bin | 11001011111111… |
… | …001000111111111 |
3 | 1002210222000201110 |
4 | 121133321013333 |
5 | 1334003301342 |
6 | 110241013103 |
7 | 13413106431 |
oct | 3137710777 |
9 | 1083860643 |
10 | 427790847 |
11 | 1aa527660 |
12 | bb324193 |
13 | 6a821ba3 |
14 | 40b5a651 |
15 | 27852c9c |
hex | 197f91ff |
427790847 has 16 divisors (see below), whose sum is σ = 625726080. Its totient is φ = 257815200.
The previous prime is 427790837. The next prime is 427790911. The reversal of 427790847 is 748097724.
It is not a de Polignac number, because 427790847 - 210 = 427789823 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 427790796 and 427790805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (427790837) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30304 + ... + 42117.
It is an arithmetic number, because the mean of its divisors is an integer number (39107880).
Almost surely, 2427790847 is an apocalyptic number.
427790847 is a deficient number, since it is larger than the sum of its proper divisors (197935233).
427790847 is a wasteful number, since it uses less digits than its factorization.
427790847 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72614.
The product of its (nonzero) digits is 790272, while the sum is 48.
The square root of 427790847 is about 20683.1053519533. The cubic root of 427790847 is about 753.4894271310.
The spelling of 427790847 in words is "four hundred twenty-seven million, seven hundred ninety thousand, eight hundred forty-seven".
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