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38228101 is a prime number
BaseRepresentation
bin1001000111010…
…1000010000101
32122221012002121
42101311002011
534241244401
63443205541
7642635122
oct221650205
978835077
1038228101
111a64037a
12109768b1
137bc61a2
145111749
153551ca1
hex2475085

38228101 has 2 divisors, whose sum is σ = 38228102. Its totient is φ = 38228100.

The previous prime is 38228059. The next prime is 38228111. The reversal of 38228101 is 10182283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38068900 + 159201 = 6170^2 + 399^2 .

It is a cyclic number.

It is not a de Polignac number, because 38228101 - 211 = 38226053 is a prime.

It is a super-2 number, since 2×382281012 = 2922775412132402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38228111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19114050 + 19114051.

It is an arithmetic number, because the mean of its divisors is an integer number (19114051).

Almost surely, 238228101 is an apocalyptic number.

It is an amenable number.

38228101 is a deficient number, since it is larger than the sum of its proper divisors (1).

38228101 is an equidigital number, since it uses as much as digits as its factorization.

38228101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 38228101 is about 6182.8877557336. The cubic root of 38228101 is about 336.8688921093.

The spelling of 38228101 in words is "thirty-eight million, two hundred twenty-eight thousand, one hundred one".