Base | Representation |
---|---|
bin | 1010011011000… |
… | …00100111100010 |
3 | 20002111210001120 |
4 | 11031200213202 |
5 | 134340140204 |
6 | 12401513110 |
7 | 2111056554 |
oct | 515404742 |
9 | 202453046 |
10 | 87427554 |
11 | 45394685 |
12 | 25342796 |
13 | 151610a6 |
14 | b87b4d4 |
15 | 7a1e6d9 |
hex | 53609e2 |
87427554 has 32 divisors (see below), whose sum is σ = 185048064. Its totient is φ = 27479760.
The previous prime is 87427541. The next prime is 87427591. The reversal of 87427554 is 45572478.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5337 + ... + 14259.
It is an arithmetic number, because the mean of its divisors is an integer number (5782752).
Almost surely, 287427554 is an apocalyptic number.
87427554 is an abundant number, since it is smaller than the sum of its proper divisors (97620510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87427554 is a wasteful number, since it uses less digits than its factorization.
87427554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9022.
The product of its digits is 313600, while the sum is 42.
The square root of 87427554 is about 9350.2702634737. The cubic root of 87427554 is about 443.8294430537.
The spelling of 87427554 in words is "eighty-seven million, four hundred twenty-seven thousand, five hundred fifty-four".
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