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38247269 is a prime number
BaseRepresentation
bin1001000111100…
…1101101100101
32122222011101112
42101321231211
534242403034
63443434405
7643045034
oct221715545
978864345
1038247269
111a653815
1210985a05
137c01b28
14511871b
1535577ce
hex2479b65

38247269 has 2 divisors, whose sum is σ = 38247270. Its totient is φ = 38247268.

The previous prime is 38247239. The next prime is 38247271. The reversal of 38247269 is 96274283.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34869025 + 3378244 = 5905^2 + 1838^2 .

It is a cyclic number.

It is not a de Polignac number, because 38247269 - 216 = 38181733 is a prime.

It is a super-2 number, since 2×382472692 = 2925707171916722, which contains 22 as substring.

Together with 38247271, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38247239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19123634 + 19123635.

It is an arithmetic number, because the mean of its divisors is an integer number (19123635).

Almost surely, 238247269 is an apocalyptic number.

It is an amenable number.

38247269 is a deficient number, since it is larger than the sum of its proper divisors (1).

38247269 is an equidigital number, since it uses as much as digits as its factorization.

38247269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The square root of 38247269 is about 6184.4376462214. The cubic root of 38247269 is about 336.9251859859.

The spelling of 38247269 in words is "thirty-eight million, two hundred forty-seven thousand, two hundred sixty-nine".