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13852217 is a prime number
BaseRepresentation
bin110100110101…
…111000111001
3222001202200002
4310311320321
512021232332
61212522345
7225512321
oct64657071
928052602
1013852217
117901415
1247803b5
132b400a2
141ba8281
151339562
hexd35e39

13852217 has 2 divisors, whose sum is σ = 13852218. Its totient is φ = 13852216.

The previous prime is 13852177. The next prime is 13852231. The reversal of 13852217 is 71225831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8357881 + 5494336 = 2891^2 + 2344^2 .

It is an emirp because it is prime and its reverse (71225831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13852217 - 210 = 13851193 is a prime.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 13852217 parts by 5263 straight cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 13852217.

It is not a weakly prime, because it can be changed into another prime (13852247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6926108 + 6926109.

It is an arithmetic number, because the mean of its divisors is an integer number (6926109).

Almost surely, 213852217 is an apocalyptic number.

It is an amenable number.

13852217 is a deficient number, since it is larger than the sum of its proper divisors (1).

13852217 is an equidigital number, since it uses as much as digits as its factorization.

13852217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 29.

The square root of 13852217 is about 3721.8566603243. The cubic root of 13852217 is about 240.1631818476.

The spelling of 13852217 in words is "thirteen million, eight hundred fifty-two thousand, two hundred seventeen".