Base | Representation |
---|---|
bin | 1010011011001… |
… | …10001011101001 |
3 | 20002112221022200 |
4 | 11031212023221 |
5 | 134341402340 |
6 | 12402210413 |
7 | 2111213163 |
oct | 515461351 |
9 | 202487280 |
10 | 87450345 |
11 | 453aa814 |
12 | 25353a09 |
13 | 1516b588 |
14 | b885933 |
15 | 7a26330 |
hex | 53662e9 |
87450345 has 48 divisors (see below), whose sum is σ = 155810304. Its totient is φ = 45360000.
The previous prime is 87450323. The next prime is 87450353. The reversal of 87450345 is 54305478.
It is not a de Polignac number, because 87450345 - 25 = 87450313 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 322560 + ... + 322830.
It is an arithmetic number, because the mean of its divisors is an integer number (3246048).
Almost surely, 287450345 is an apocalyptic number.
It is an amenable number.
87450345 is a deficient number, since it is larger than the sum of its proper divisors (68359959).
87450345 is a wasteful number, since it uses less digits than its factorization.
87450345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 454 (or 451 counting only the distinct ones).
The product of its (nonzero) digits is 67200, while the sum is 36.
The square root of 87450345 is about 9351.4889188835. The cubic root of 87450345 is about 443.8680061746.
The spelling of 87450345 in words is "eighty-seven million, four hundred fifty thousand, three hundred forty-five".
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