Base | Representation |
---|---|
bin | 1010011011100… |
… | …00111011100110 |
3 | 20002122011201101 |
4 | 11031300323212 |
5 | 134344304444 |
6 | 12403150314 |
7 | 2111455432 |
oct | 515607346 |
9 | 202564641 |
10 | 87494374 |
11 | 4542a900 |
12 | 2537539a |
13 | 15185626 |
14 | b8979c2 |
15 | 7a343d4 |
hex | 5370ee6 |
87494374 has 24 divisors (see below), whose sum is σ = 146646864. Its totient is φ = 39111600.
The previous prime is 87494371. The next prime is 87494377. The reversal of 87494374 is 47349478.
It is an interprime number because it is at equal distance from previous prime (87494371) and next prime (87494377).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87494371) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11799 + ... + 17725.
It is an arithmetic number, because the mean of its divisors is an integer number (6110286).
Almost surely, 287494374 is an apocalyptic number.
87494374 is a deficient number, since it is larger than the sum of its proper divisors (59152490).
87494374 is a wasteful number, since it uses less digits than its factorization.
87494374 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6012 (or 6001 counting only the distinct ones).
The product of its digits is 677376, while the sum is 46.
The square root of 87494374 is about 9353.8427397514. The cubic root of 87494374 is about 443.9424857190.
Subtracting from 87494374 its reverse (47349478), we obtain a square (40144896 = 63362).
It can be divided in two parts, 8749 and 4374, that multiplied together give a triangular number (38268126 = T8748).
The spelling of 87494374 in words is "eighty-seven million, four hundred ninety-four thousand, three hundred seventy-four".
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