Base | Representation |
---|---|
bin | 1010011111001… |
… | …01111101000000 |
3 | 20010112112020001 |
4 | 11033211331000 |
5 | 140010124241 |
6 | 12421325344 |
7 | 2115523036 |
oct | 517457500 |
9 | 203475201 |
10 | 87973696 |
11 | 45727a38 |
12 | 25566854 |
13 | 152c2855 |
14 | b980556 |
15 | 7acb431 |
hex | 53e5f40 |
87973696 has 14 divisors (see below), whose sum is σ = 174572930. Its totient is φ = 43986816.
The previous prime is 87973681. The next prime is 87973709. The reversal of 87973696 is 69637978.
It can be written as a sum of positive squares in only one way, i.e., 55711296 + 32262400 = 7464^2 + 5680^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687231 + ... + 687358.
It is an arithmetic number, because the mean of its divisors is an integer number (12469495).
Almost surely, 287973696 is an apocalyptic number.
It is an amenable number.
87973696 is a deficient number, since it is larger than the sum of its proper divisors (86599234).
87973696 is a wasteful number, since it uses less digits than its factorization.
87973696 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1374601 (or 1374591 counting only the distinct ones).
The product of its digits is 3429216, while the sum is 55.
The square root of 87973696 is about 9379.4294069522. The cubic root of 87973696 is about 444.7516958397.
The spelling of 87973696 in words is "eighty-seven million, nine hundred seventy-three thousand, six hundred ninety-six".
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