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30535669 is a prime number
BaseRepresentation
bin111010001111…
…0111111110101
32010110101001201
41310132333311
530304120134
63010252501
7520356163
oct164367765
963411051
1030535669
111626699a
12a287131
136431a58
1440ac233
152a32914
hex1d1eff5

30535669 has 2 divisors, whose sum is σ = 30535670. Its totient is φ = 30535668.

The previous prime is 30535667. The next prime is 30535691. The reversal of 30535669 is 96653503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21762225 + 8773444 = 4665^2 + 2962^2 .

It is a cyclic number.

It is not a de Polignac number, because 30535669 - 21 = 30535667 is a prime.

It is a super-2 number, since 2×305356692 = 1864854162555122, which contains 22 as substring.

Together with 30535667, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30535667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15267834 + 15267835.

It is an arithmetic number, because the mean of its divisors is an integer number (15267835).

Almost surely, 230535669 is an apocalyptic number.

It is an amenable number.

30535669 is a deficient number, since it is larger than the sum of its proper divisors (1).

30535669 is an equidigital number, since it uses as much as digits as its factorization.

30535669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72900, while the sum is 37.

The square root of 30535669 is about 5525.9088845185. The cubic root of 30535669 is about 312.5617379888.

The spelling of 30535669 in words is "thirty million, five hundred thirty-five thousand, six hundred sixty-nine".