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38268121 is a prime number
BaseRepresentation
bin1001000111111…
…0110011011001
32200000012222211
42101332303121
534244034441
63444115121
7643162603
oct221766331
980005884
1038268121
111a668451
1210995aa1
137c0b478
145122173
15355da81
hex247ecd9

38268121 has 2 divisors, whose sum is σ = 38268122. Its totient is φ = 38268120.

The previous prime is 38268103. The next prime is 38268161. The reversal of 38268121 is 12186283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29648025 + 8620096 = 5445^2 + 2936^2 .

It is a cyclic number.

It is not a de Polignac number, because 38268121 - 25 = 38268089 is a prime.

It is a super-4 number, since 4×382681214 (a number of 31 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (38268161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19134060 + 19134061.

It is an arithmetic number, because the mean of its divisors is an integer number (19134061).

Almost surely, 238268121 is an apocalyptic number.

It is an amenable number.

38268121 is a deficient number, since it is larger than the sum of its proper divisors (1).

38268121 is an equidigital number, since it uses as much as digits as its factorization.

38268121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 31.

The square root of 38268121 is about 6186.1232609769. The cubic root of 38268121 is about 336.9864041922.

The spelling of 38268121 in words is "thirty-eight million, two hundred sixty-eight thousand, one hundred twenty-one".