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38309359 = 113482669
BaseRepresentation
bin1001001000100…
…0110111101111
32200002022120011
42102020313233
534301344414
63445034051
7643424044
oct222106757
980068504
1038309359
111a696430
12109b5927
137c2417a
1451331cb
15356adc4
hex2488def

38309359 has 4 divisors (see below), whose sum is σ = 41792040. Its totient is φ = 34826680.

The previous prime is 38309357. The next prime is 38309363. The reversal of 38309359 is 95390383.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38309359 - 21 = 38309357 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38309353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1741324 + ... + 1741345.

It is an arithmetic number, because the mean of its divisors is an integer number (10448010).

Almost surely, 238309359 is an apocalyptic number.

38309359 is a deficient number, since it is larger than the sum of its proper divisors (3482681).

38309359 is a wasteful number, since it uses less digits than its factorization.

38309359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3482680.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 38309359 is about 6189.4554687791. The cubic root of 38309359 is about 337.1074070553.

The spelling of 38309359 in words is "thirty-eight million, three hundred nine thousand, three hundred fifty-nine".

Divisors: 1 11 3482669 38309359