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38835217 is a prime number
BaseRepresentation
bin1001010000100…
…1010000010001
32201002000220101
42110021100101
534420211332
63504212401
7651044131
oct224112021
981060811
1038835217
111aa15523
121100a101
138079625
14522cac1
153621ae7
hex2509411

38835217 has 2 divisors, whose sum is σ = 38835218. Its totient is φ = 38835216.

The previous prime is 38835187. The next prime is 38835229. The reversal of 38835217 is 71253883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22505536 + 16329681 = 4744^2 + 4041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38835217 is a prime.

It is not a weakly prime, because it can be changed into another prime (38835287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19417608 + 19417609.

It is an arithmetic number, because the mean of its divisors is an integer number (19417609).

Almost surely, 238835217 is an apocalyptic number.

It is an amenable number.

38835217 is a deficient number, since it is larger than the sum of its proper divisors (1).

38835217 is an equidigital number, since it uses as much as digits as its factorization.

38835217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 38835217 is about 6231.7908341022. The cubic root of 38835217 is about 338.6428512395.

The spelling of 38835217 in words is "thirty-eight million, eight hundred thirty-five thousand, two hundred seventeen".