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88916213 = 106983177
BaseRepresentation
bin1010100110011…
…00000011110101
320012022102010002
411103030003311
5140230304323
612453441045
72126526641
oct523140365
9205272102
1088916213
1146211081
1225940185
1315562859
14bb47c21
157c15828
hex54cc0f5

88916213 has 4 divisors (see below), whose sum is σ = 89000460. Its totient is φ = 88831968.

The previous prime is 88916207. The next prime is 88916221. The reversal of 88916213 is 31261988.

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 45131524 + 43784689 = 6718^2 + 6617^2 .

It is a cyclic number.

It is not a de Polignac number, because 88916213 - 214 = 88899829 is a prime.

It is a super-2 number, since 2×889162132 = 15812185868522738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88916203) 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, 40520 + ... + 42657.

It is an arithmetic number, because the mean of its divisors is an integer number (22250115).

Almost surely, 288916213 is an apocalyptic number.

It is an amenable number.

88916213 is a deficient number, since it is larger than the sum of its proper divisors (84247).

88916213 is a wasteful number, since it uses less digits than its factorization.

88916213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84246.

The product of its digits is 20736, while the sum is 38.

The square root of 88916213 is about 9429.5393842966. The cubic root of 88916213 is about 446.3343578540.

The spelling of 88916213 in words is "eighty-eight million, nine hundred sixteen thousand, two hundred thirteen".

Divisors: 1 1069 83177 88916213