Base | Representation |
---|---|
bin | 1010011111001… |
… | …10000011101100 |
3 | 20010112112210220 |
4 | 11033212003230 |
5 | 140010132444 |
6 | 12421331340 |
7 | 2115524220 |
oct | 517460354 |
9 | 203475726 |
10 | 87974124 |
11 | 45728297 |
12 | 25566b50 |
13 | 152c2ac4 |
14 | b980780 |
15 | 7acb619 |
hex | 53e60ec |
87974124 has 24 divisors (see below), whose sum is σ = 234597888. Its totient is φ = 25135440.
The previous prime is 87974111. The next prime is 87974141. The reversal of 87974124 is 42147978.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523572 + ... + 523739.
It is an arithmetic number, because the mean of its divisors is an integer number (9774912).
Almost surely, 287974124 is an apocalyptic number.
87974124 is a gapful number since it is divisible by the number (84) formed by its first and last digit.
It is an amenable number.
87974124 is an abundant number, since it is smaller than the sum of its proper divisors (146623764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87974124 is a wasteful number, since it uses less digits than its factorization.
87974124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1047325 (or 1047323 counting only the distinct ones).
The product of its digits is 112896, while the sum is 42.
The square root of 87974124 is about 9379.4522228113. The cubic root of 87974124 is about 444.7524170909.
It can be divided in two parts, 8797 and 4124, that added together give a palindrome (12921).
The spelling of 87974124 in words is "eighty-seven million, nine hundred seventy-four thousand, one hundred twenty-four".
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