Base | Representation |
---|---|
bin | 1010100000001… |
… | …01110100011101 |
3 | 20010210011021022 |
4 | 11100011310131 |
5 | 140023313341 |
6 | 12424213525 |
7 | 2116605422 |
oct | 520056435 |
9 | 203704238 |
10 | 88104221 |
11 | 45807007 |
12 | 2560a2a5 |
13 | 1533a09a |
14 | b9b5d49 |
15 | 7b04e4b |
hex | 5405d1d |
88104221 has 8 divisors (see below), whose sum is σ = 88746840. Its totient is φ = 87464512.
The previous prime is 88104199. The next prime is 88104223. The reversal of 88104221 is 12240188.
It can be written as a sum of positive squares in 4 ways, for example, as 6002500 + 82101721 = 2450^2 + 9061^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 88104221 - 214 = 88087837 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (88104223) 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, 113591 + ... + 114363.
It is an arithmetic number, because the mean of its divisors is an integer number (11093355).
Almost surely, 288104221 is an apocalyptic number.
It is an amenable number.
88104221 is a deficient number, since it is larger than the sum of its proper divisors (642619).
88104221 is a wasteful number, since it uses less digits than its factorization.
88104221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1455.
The product of its (nonzero) digits is 1024, while the sum is 26.
The square root of 88104221 is about 9386.3848738479. The cubic root of 88104221 is about 444.9715438606.
It can be divided in two parts, 8810 and 4221, that added together give a palindrome (13031).
The spelling of 88104221 in words is "eighty-eight million, one hundred four thousand, two hundred twenty-one".
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