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88892321 = 721814129
BaseRepresentation
bin1010100110001…
…10001110100001
320012021012100012
411103012032201
5140224023241
612453134305
72126400200
oct523061641
9205235305
1088892321
11461a5131
122592a395
1315554a0b
14bb3d237
157c0d6eb
hex54c63a1

88892321 has 6 divisors (see below), whose sum is σ = 103405410. Its totient is φ = 76193376.

The previous prime is 88892299. The next prime is 88892327. The reversal of 88892321 is 12329888.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 79405921 + 9486400 = 8911^2 + 3080^2 .

It is not a de Polignac number, because 88892321 - 26 = 88892257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88892327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 907016 + ... + 907113.

It is an arithmetic number, because the mean of its divisors is an integer number (17234235).

Almost surely, 288892321 is an apocalyptic number.

It is an amenable number.

88892321 is a deficient number, since it is larger than the sum of its proper divisors (14513089).

88892321 is a wasteful number, since it uses less digits than its factorization.

88892321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814143 (or 1814136 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 88892321 is about 9428.2724292417. The cubic root of 88892321 is about 446.2943772349.

The spelling of 88892321 in words is "eighty-eight million, eight hundred ninety-two thousand, three hundred twenty-one".

Divisors: 1 7 49 1814129 12698903 88892321