Search a number
-
+
88230505 = 5111604191
BaseRepresentation
bin1010100001001…
…00101001101001
320011000120111111
411100210221221
5140041334010
612431030321
72120642536
oct520445151
9204016444
1088230505
1145892980
122566b3a1
13153826cc
14ba09d8d
157b2c58a
hex5424a69

88230505 has 8 divisors (see below), whose sum is σ = 115501824. Its totient is φ = 64167600.

The previous prime is 88230503. The next prime is 88230517. The reversal of 88230505 is 50503288.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 88230505 - 21 = 88230503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88230503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802041 + ... + 802150.

It is an arithmetic number, because the mean of its divisors is an integer number (14437728).

Almost surely, 288230505 is an apocalyptic number.

It is an amenable number.

88230505 is a deficient number, since it is larger than the sum of its proper divisors (27271319).

88230505 is a wasteful number, since it uses less digits than its factorization.

88230505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604207.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 88230505 is about 9393.1094425648. The cubic root of 88230505 is about 445.1840420407.

The spelling of 88230505 in words is "eighty-eight million, two hundred thirty thousand, five hundred five".

Divisors: 1 5 11 55 1604191 8020955 17646101 88230505