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38240057 is a prime number
BaseRepresentation
bin1001000111011…
…1111100111001
32122221210111102
42101313330321
534242140212
63443341145
7643015022
oct221677471
978853442
1038240057
111a649359
12109817b5
137bcb76b
145115c49
1535555c2
hex2477f39

38240057 has 2 divisors, whose sum is σ = 38240058. Its totient is φ = 38240056.

The previous prime is 38240047. The next prime is 38240071. The reversal of 38240057 is 75004283.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33825856 + 4414201 = 5816^2 + 2101^2 .

It is a cyclic number.

It is not a de Polignac number, because 38240057 - 214 = 38223673 is a prime.

It is not a weakly prime, because it can be changed into another prime (38240047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19120028 + 19120029.

It is an arithmetic number, because the mean of its divisors is an integer number (19120029).

Almost surely, 238240057 is an apocalyptic number.

It is an amenable number.

38240057 is a deficient number, since it is larger than the sum of its proper divisors (1).

38240057 is an equidigital number, since it uses as much as digits as its factorization.

38240057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 38240057 is about 6183.8545422738. The cubic root of 38240057 is about 336.9040075049.

The spelling of 38240057 in words is "thirty-eight million, two hundred forty thousand, fifty-seven".