Search a number
-
+
88530413 = 656913477
BaseRepresentation
bin1010100011011…
…01110111101101
320011120210220012
411101231313231
5140130433123
612441303005
72123332106
oct521556755
9204523805
1088530413
1145a78234
1225794a65
131545907a
14ba873ad
157b8b378
hex546dded

88530413 has 4 divisors (see below), whose sum is σ = 88550460. Its totient is φ = 88510368.

The previous prime is 88530401. The next prime is 88530419. The reversal of 88530413 is 31403588.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71199844 + 17330569 = 8438^2 + 4163^2 .

It is a cyclic number.

It is not a de Polignac number, because 88530413 - 28 = 88530157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 88530413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88530419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170 + ... + 13307.

It is an arithmetic number, because the mean of its divisors is an integer number (22137615).

Almost surely, 288530413 is an apocalyptic number.

It is an amenable number.

88530413 is a deficient number, since it is larger than the sum of its proper divisors (20047).

88530413 is a wasteful number, since it uses less digits than its factorization.

88530413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20046.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 88530413 is about 9409.0601549783. The cubic root of 88530413 is about 445.6878861581.

The spelling of 88530413 in words is "eighty-eight million, five hundred thirty thousand, four hundred thirteen".

Divisors: 1 6569 13477 88530413