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88838513 = 294174717
BaseRepresentation
bin1010100101110…
…01000101110001
320012011110112022
411102321011301
5140220313023
612452041225
72126054261
oct522710561
9205143468
1088838513
1146168765
1225903215
131553638a
14bb277a1
157bec7c8
hex54b9171

88838513 has 8 divisors (see below), whose sum is σ = 94144680. Its totient is φ = 83681920.

The previous prime is 88838459. The next prime is 88838521. The reversal of 88838513 is 31583888.

It can be written as a sum of positive squares in 4 ways, for example, as 1658944 + 87179569 = 1288^2 + 9337^2 .

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 88838513 - 28 = 88838257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88838543) 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 7 ways as a sum of consecutive naturals, for example, 36170 + ... + 38547.

It is an arithmetic number, because the mean of its divisors is an integer number (11768085).

Almost surely, 288838513 is an apocalyptic number.

It is an amenable number.

88838513 is a deficient number, since it is larger than the sum of its proper divisors (5306167).

88838513 is a wasteful number, since it uses less digits than its factorization.

88838513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74787.

The product of its digits is 184320, while the sum is 44.

The square root of 88838513 is about 9425.4184522492. The cubic root of 88838513 is about 446.2043092567.

The spelling of 88838513 in words is "eighty-eight million, eight hundred thirty-eight thousand, five hundred thirteen".

Divisors: 1 29 41 1189 74717 2166793 3063397 88838513