Base | Representation |
---|---|
bin | 1010011010110… |
… | …01101000101010 |
3 | 20002110022211022 |
4 | 11031121220222 |
5 | 134333231304 |
6 | 12401132442 |
7 | 2110610306 |
oct | 515315052 |
9 | 202408738 |
10 | 87398954 |
11 | 45375145 |
12 | 2532a122 |
13 | 15151076 |
14 | b870d06 |
15 | 7a15ebe |
hex | 5359a2a |
87398954 has 16 divisors (see below), whose sum is σ = 133660800. Its totient is φ = 42851424.
The previous prime is 87398933. The next prime is 87398959. The reversal of 87398954 is 45989378.
It is a junction number, because it is equal to n+sod(n) for n = 87398896 and 87398905.
It is not an unprimeable number, because it can be changed into a prime (87398959) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30662 + ... + 33390.
It is an arithmetic number, because the mean of its divisors is an integer number (8353800).
Almost surely, 287398954 is an apocalyptic number.
87398954 is a deficient number, since it is larger than the sum of its proper divisors (46261846).
87398954 is a wasteful number, since it uses less digits than its factorization.
87398954 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3037.
The product of its digits is 2177280, while the sum is 53.
The square root of 87398954 is about 9348.7407708204. The cubic root of 87398954 is about 443.7810414310.
The spelling of 87398954 in words is "eighty-seven million, three hundred ninety-eight thousand, nine hundred fifty-four".
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