Base | Representation |
---|---|
bin | 1010011000110… |
… | …11101101101110 |
3 | 20001222102220200 |
4 | 11030123231232 |
5 | 134302122301 |
6 | 12351454330 |
7 | 2105503002 |
oct | 514335556 |
9 | 201872820 |
10 | 87145326 |
11 | 45211634 |
12 | 252273a6 |
13 | 150927a8 |
14 | b806702 |
15 | 79b5c86 |
hex | 531bb6e |
87145326 has 12 divisors (see below), whose sum is σ = 188814912. Its totient is φ = 29048436.
The previous prime is 87145307. The next prime is 87145339. The reversal of 87145326 is 62354178.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2420686 + ... + 2420721.
It is an arithmetic number, because the mean of its divisors is an integer number (15734576).
Almost surely, 287145326 is an apocalyptic number.
87145326 is an abundant number, since it is smaller than the sum of its proper divisors (101669586).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87145326 is a wasteful number, since it uses less digits than its factorization.
87145326 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4841415 (or 4841412 counting only the distinct ones).
The product of its digits is 40320, while the sum is 36.
The square root of 87145326 is about 9335.1660938625. The cubic root of 87145326 is about 443.3513476892.
The spelling of 87145326 in words is "eighty-seven million, one hundred forty-five thousand, three hundred twenty-six".
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