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38228867 is a prime number
BaseRepresentation
bin1001000111010…
…1001110000011
32122221020010222
42101311032003
534241310432
63443213255
7642640265
oct221651603
978836128
1038228867
111a640a06
121097722b
137bc6641
145111b35
153552112
hex2475383

38228867 has 2 divisors, whose sum is σ = 38228868. Its totient is φ = 38228866.

The previous prime is 38228863. The next prime is 38228899. The reversal of 38228867 is 76882283.

It is a weak prime.

It is an emirp because it is prime and its reverse (76882283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38228867 - 22 = 38228863 is a prime.

It is a super-2 number, since 2×382288672 = 2922892544207378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38228863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19114433 + 19114434.

It is an arithmetic number, because the mean of its divisors is an integer number (19114434).

Almost surely, 238228867 is an apocalyptic number.

38228867 is a deficient number, since it is larger than the sum of its proper divisors (1).

38228867 is an equidigital number, since it uses as much as digits as its factorization.

38228867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 44.

The square root of 38228867 is about 6182.9497005879. The cubic root of 38228867 is about 336.8711421108.

The spelling of 38228867 in words is "thirty-eight million, two hundred twenty-eight thousand, eight hundred sixty-seven".