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34285681 is a prime number
BaseRepresentation
bin1000001011001…
…0100001110001
32101111220010001
42002302201301
532234120211
63222510001
7564265153
oct202624161
971456101
1034285681
1118398381
12b595301
1371458b1
1447a6ad3
153023ac1
hex20b2871

34285681 has 2 divisors, whose sum is σ = 34285682. Its totient is φ = 34285680.

The previous prime is 34285673. The next prime is 34285697. The reversal of 34285681 is 18658243.

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., 26214400 + 8071281 = 5120^2 + 2841^2 .

It is a cyclic number.

It is not a de Polignac number, because 34285681 - 23 = 34285673 is a prime.

It is a super-2 number, since 2×342856812 = 2351015843267522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34285681.

It is not a weakly prime, because it can be changed into another prime (34285631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17142840 + 17142841.

It is an arithmetic number, because the mean of its divisors is an integer number (17142841).

Almost surely, 234285681 is an apocalyptic number.

It is an amenable number.

34285681 is a deficient number, since it is larger than the sum of its proper divisors (1).

34285681 is an equidigital number, since it uses as much as digits as its factorization.

34285681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 37.

The square root of 34285681 is about 5855.3975953815. The cubic root of 34285681 is about 324.8659991956.

The spelling of 34285681 in words is "thirty-four million, two hundred eighty-five thousand, six hundred eighty-one".