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38250257 = 52173417
BaseRepresentation
bin1001000111101…
…0011100010001
32122222022111012
42101322130101
534243002012
63443500305
7643056533
oct221723421
978868435
1038250257
111a655a91
1210987695
137c032b6
145119853
153558622
hex247a711

38250257 has 4 divisors (see below), whose sum is σ = 38324196. Its totient is φ = 38176320.

The previous prime is 38250239. The next prime is 38250269. The reversal of 38250257 is 75205283.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21242881 + 17007376 = 4609^2 + 4124^2 .

It is a cyclic number.

It is not a de Polignac number, because 38250257 - 212 = 38246161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38250227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36188 + ... + 37229.

It is an arithmetic number, because the mean of its divisors is an integer number (9581049).

Almost surely, 238250257 is an apocalyptic number.

It is an amenable number.

38250257 is a deficient number, since it is larger than the sum of its proper divisors (73939).

38250257 is an equidigital number, since it uses as much as digits as its factorization.

38250257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73938.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 38250257 is about 6184.6792156101. The cubic root of 38250257 is about 336.9339596515.

The spelling of 38250257 in words is "thirty-eight million, two hundred fifty thousand, two hundred fifty-seven".

Divisors: 1 521 73417 38250257