Base | Representation |
---|---|
bin | 1010011000111… |
… | …01011100101010 |
3 | 20001222210122122 |
4 | 11030131130222 |
5 | 134302334201 |
6 | 12351551242 |
7 | 2105532464 |
oct | 514353452 |
9 | 201883578 |
10 | 87152426 |
11 | 452169a9 |
12 | 2522b522 |
13 | 15095aaa |
14 | b809134 |
15 | 79b7e1b |
hex | 531d72a |
87152426 has 4 divisors (see below), whose sum is σ = 130728642. Its totient is φ = 43576212.
The previous prime is 87152423. The next prime is 87152441. The reversal of 87152426 is 62425178.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 87142225 + 10201 = 9335^2 + 101^2 .
It is not an unprimeable number, because it can be changed into a prime (87152423) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21788105 + ... + 21788108.
Almost surely, 287152426 is an apocalyptic number.
87152426 is a deficient number, since it is larger than the sum of its proper divisors (43576216).
87152426 is a wasteful number, since it uses less digits than its factorization.
87152426 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43576215.
The product of its digits is 26880, while the sum is 35.
The square root of 87152426 is about 9335.5463685850. The cubic root of 87152426 is about 443.3633877653.
It can be divided in two parts, 87152 and 426, that added together give a palindrome (87578).
The spelling of 87152426 in words is "eighty-seven million, one hundred fifty-two thousand, four hundred twenty-six".
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