Base | Representation |
---|---|
bin | 11101000101000… |
… | …110111110011000 |
3 | 1021000000210120000 |
4 | 131011012332120 |
5 | 1444344103202 |
6 | 120224533000 |
7 | 15042620310 |
oct | 3505067630 |
9 | 1230023500 |
10 | 487878552 |
11 | 230438417 |
12 | 117481160 |
13 | 7a0cca45 |
14 | 48b1c440 |
15 | 2cc7191c |
hex | 1d146f98 |
487878552 has 160 divisors (see below), whose sum is σ = 1589068800. Its totient is φ = 136956096.
The previous prime is 487878551. The next prime is 487878619. The reversal of 487878552 is 255878784.
487878552 is a `hidden beast` number, since 4 + 8 + 7 + 87 + 8 + 552 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (487878551) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 266713 + ... + 268535.
It is an arithmetic number, because the mean of its divisors is an integer number (9931680).
Almost surely, 2487878552 is an apocalyptic number.
487878552 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 487878552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (794534400).
487878552 is an abundant number, since it is smaller than the sum of its proper divisors (1101190248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487878552 is a wasteful number, since it uses less digits than its factorization.
487878552 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1907 (or 1894 counting only the distinct ones).
The product of its digits is 5017600, while the sum is 54.
The square root of 487878552 is about 22087.9730170063. The cubic root of 487878552 is about 787.2341197659.
The spelling of 487878552 in words is "four hundred eighty-seven million, eight hundred seventy-eight thousand, five hundred fifty-two".
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