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38122243 = 71536933
BaseRepresentation
bin1001000101101…
…1001100000011
32122201210212221
42101123030003
534224402433
63441031511
7642014365
oct221331403
978653787
1038122243
111a578895
1210925597
137b89c53
1450c4d35
15353072d
hex245b303

38122243 has 4 divisors (see below), whose sum is σ = 38659248. Its totient is φ = 37585240.

The previous prime is 38122241. The next prime is 38122267. The reversal of 38122243 is 34222183.

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 38122243 - 21 = 38122241 is a prime.

It is a super-2 number, since 2×381222432 = 2906610822702098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38122241) 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, 268396 + ... + 268537.

It is an arithmetic number, because the mean of its divisors is an integer number (9664812).

Almost surely, 238122243 is an apocalyptic number.

38122243 is a deficient number, since it is larger than the sum of its proper divisors (537005).

38122243 is an equidigital number, since it uses as much as digits as its factorization.

38122243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537004.

The product of its digits is 2304, while the sum is 25.

The square root of 38122243 is about 6174.3212582437. The cubic root of 38122243 is about 336.5576617773.

The spelling of 38122243 in words is "thirty-eight million, one hundred twenty-two thousand, two hundred forty-three".

Divisors: 1 71 536933 38122243