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38254243 = 59648377
BaseRepresentation
bin1001000111101…
…1011010100011
32122222111221211
42101323122203
534243113433
63443530551
7643104256
oct221733243
978874854
1038254243
111a658a85
1210989a57
137c05061
14511b09d
1535598cd
hex247b6a3

38254243 has 4 divisors (see below), whose sum is σ = 38902680. Its totient is φ = 37605808.

The previous prime is 38254231. The next prime is 38254273. The reversal of 38254243 is 34245283.

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 38254243 - 25 = 38254211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38254213) 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, 324130 + ... + 324247.

It is an arithmetic number, because the mean of its divisors is an integer number (9725670).

Almost surely, 238254243 is an apocalyptic number.

38254243 is a deficient number, since it is larger than the sum of its proper divisors (648437).

38254243 is an equidigital number, since it uses as much as digits as its factorization.

38254243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648436.

The product of its digits is 23040, while the sum is 31.

The square root of 38254243 is about 6185.0014551332. The cubic root of 38254243 is about 336.9456630336.

Adding to 38254243 its product of digits (23040), we get a palindrome (38277283).

The spelling of 38254243 in words is "thirty-eight million, two hundred fifty-four thousand, two hundred forty-three".

Divisors: 1 59 648377 38254243