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88229233 = 137644009
BaseRepresentation
bin1010100001001…
…00010101110001
320011000111202101
411100210111301
5140041313413
612431020401
72120636041
oct520442561
9204014671
1088229233
1145891a24
122566a701
1315381c61
14ba09721
157b2bedd
hex5424571

88229233 has 4 divisors (see below), whose sum is σ = 88873380. Its totient is φ = 87585088.

The previous prime is 88229231. The next prime is 88229243. The reversal of 88229233 is 33292288.

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 52085089 + 36144144 = 7217^2 + 6012^2 .

It is a cyclic number.

It is not a de Polignac number, because 88229233 - 21 = 88229231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88229192 and 88229201.

It is not an unprimeable number, because it can be changed into a prime (88229231) 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 3 ways as a sum of consecutive naturals, for example, 321868 + ... + 322141.

It is an arithmetic number, because the mean of its divisors is an integer number (22218345).

Almost surely, 288229233 is an apocalyptic number.

It is an amenable number.

88229233 is a deficient number, since it is larger than the sum of its proper divisors (644147).

88229233 is a wasteful number, since it uses less digits than its factorization.

88229233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644146.

The product of its digits is 41472, while the sum is 37.

The square root of 88229233 is about 9393.0417331129. The cubic root of 88229233 is about 445.1819026566.

The spelling of 88229233 in words is "eighty-eight million, two hundred twenty-nine thousand, two hundred thirty-three".

Divisors: 1 137 644009 88229233