Base | Representation |
---|---|
bin | 1010100011011… |
… | …10000110101001 |
3 | 20011120212012121 |
4 | 11101232012221 |
5 | 140131000434 |
6 | 12441311241 |
7 | 2123334643 |
oct | 521560651 |
9 | 204525177 |
10 | 88531369 |
11 | 45a78a23 |
12 | 25795521 |
13 | 15459634 |
14 | ba87893 |
15 | 7b8b7b4 |
hex | 546e1a9 |
88531369 has 4 divisors (see below), whose sum is σ = 89598096. Its totient is φ = 87464644.
The previous prime is 88531361. The next prime is 88531433. The reversal of 88531369 is 96313588.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 88531369 - 23 = 88531361 is a prime.
It is a super-2 number, since 2×885313692 = 15675606594028322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (88531361) 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 3 ways as a sum of consecutive naturals, for example, 533239 + ... + 533404.
It is an arithmetic number, because the mean of its divisors is an integer number (22399524).
Almost surely, 288531369 is an apocalyptic number.
It is an amenable number.
88531369 is a deficient number, since it is larger than the sum of its proper divisors (1066727).
88531369 is a wasteful number, since it uses less digits than its factorization.
88531369 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1066726.
The product of its digits is 155520, while the sum is 43.
The square root of 88531369 is about 9409.1109569396. The cubic root of 88531369 is about 445.6894904131.
The spelling of 88531369 in words is "eighty-eight million, five hundred thirty-one thousand, three hundred sixty-nine".
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