Base | Representation |
---|---|
bin | 1010011111001… |
… | …00111010011010 |
3 | 20010112022101012 |
4 | 11033210322122 |
5 | 140010010214 |
6 | 12421253522 |
7 | 2115504440 |
oct | 517447232 |
9 | 203468335 |
10 | 87969434 |
11 | 45724813 |
12 | 255642a2 |
13 | 152c0927 |
14 | b97cb90 |
15 | 7aca03e |
hex | 53e4e9a |
87969434 has 32 divisors (see below), whose sum is σ = 158181120. Its totient is φ = 35874432.
The previous prime is 87969419. The next prime is 87969463. The reversal of 87969434 is 43496978.
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, 73142 + ... + 74334.
It is an arithmetic number, because the mean of its divisors is an integer number (4943160).
Almost surely, 287969434 is an apocalyptic number.
87969434 is a deficient number, since it is larger than the sum of its proper divisors (70211686).
87969434 is a wasteful number, since it uses less digits than its factorization.
87969434 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1454.
The product of its digits is 1306368, while the sum is 50.
The square root of 87969434 is about 9379.2022048786. The cubic root of 87969434 is about 444.7445135324.
The spelling of 87969434 in words is "eighty-seven million, nine hundred sixty-nine thousand, four hundred thirty-four".
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