Base | Representation |
---|---|
bin | 1010011001011… |
… | …11100000100001 |
3 | 20002010120010110 |
4 | 11030233200201 |
5 | 134312221101 |
6 | 12353321533 |
7 | 2106261243 |
oct | 514574041 |
9 | 202116113 |
10 | 87226401 |
11 | 45267539 |
12 | 252662a9 |
13 | 150c0672 |
14 | b828093 |
15 | 79cecd6 |
hex | 532f821 |
87226401 has 8 divisors (see below), whose sum is σ = 118208704. Its totient is φ = 57197520.
The previous prime is 87226369. The next prime is 87226409. The reversal of 87226401 is 10462278.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87226401 - 25 = 87226369 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87226409) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238141 + ... + 238506.
It is an arithmetic number, because the mean of its divisors is an integer number (14776088).
Almost surely, 287226401 is an apocalyptic number.
It is an amenable number.
87226401 is a deficient number, since it is larger than the sum of its proper divisors (30982303).
87226401 is a wasteful number, since it uses less digits than its factorization.
87226401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 476711.
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 87226401 is about 9339.5075351969. The cubic root of 87226401 is about 443.4887946067.
Adding to 87226401 its reverse (10462278), we get a palindrome (97688679).
The spelling of 87226401 in words is "eighty-seven million, two hundred twenty-six thousand, four hundred one".
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