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38323321 = 177330881
BaseRepresentation
bin1001001000110…
…0010001111001
32200010000201021
42102030101321
534302321241
63445222441
7643512541
oct222142171
980100637
1038323321
111a6a5973
1210a01a21
137c2a62a
145138321
1535700d1
hex248c479

38323321 has 8 divisors (see below), whose sum is σ = 41134824. Its totient is φ = 35573760.

The previous prime is 38323309. The next prime is 38323331. The reversal of 38323321 is 12332383.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22610025 + 15713296 = 4755^2 + 3964^2 .

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 38323321 - 25 = 38323289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38323331) 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 7 ways as a sum of consecutive naturals, for example, 14200 + ... + 16681.

It is an arithmetic number, because the mean of its divisors is an integer number (5141853).

Almost surely, 238323321 is an apocalyptic number.

It is an amenable number.

38323321 is a deficient number, since it is larger than the sum of its proper divisors (2811503).

38323321 is a wasteful number, since it uses less digits than its factorization.

38323321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30971.

The product of its digits is 2592, while the sum is 25.

The square root of 38323321 is about 6190.5832520046. The cubic root of 38323321 is about 337.1483554646.

The spelling of 38323321 in words is "thirty-eight million, three hundred twenty-three thousand, three hundred twenty-one".

Divisors: 1 17 73 1241 30881 524977 2254313 38323321