Base | Representation |
---|---|
bin | 1010011100001… |
… | …00000010010100 |
3 | 20002210011001200 |
4 | 11032010002110 |
5 | 134404311003 |
6 | 12404552500 |
7 | 2112232533 |
oct | 516040224 |
9 | 202704050 |
10 | 87572628 |
11 | 45483680 |
12 | 253b2730 |
13 | 151b2130 |
14 | b8b831a |
15 | 7a4c6a3 |
hex | 5384094 |
87572628 has 72 divisors (see below), whose sum is σ = 260079456. Its totient is φ = 24494400.
The previous prime is 87572621. The next prime is 87572647. The reversal of 87572628 is 82627578.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87572621) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3358 + ... + 13653.
Almost surely, 287572628 is an apocalyptic number.
It is an amenable number.
87572628 is an abundant number, since it is smaller than the sum of its proper divisors (172506828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87572628 is a wasteful number, since it uses less digits than its factorization.
87572628 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17045 (or 17040 counting only the distinct ones).
The product of its digits is 376320, while the sum is 45.
The square root of 87572628 is about 9358.0247915893. The cubic root of 87572628 is about 444.0747986961.
The spelling of 87572628 in words is "eighty-seven million, five hundred seventy-two thousand, six hundred twenty-eight".
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