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8535213 = 34105373
BaseRepresentation
bin100000100011…
…110010101101
3121001122010000
4200203302231
54141111323
6502534513
7132356001
oct40436255
917048100
108535213
1148aa6a5
122a37439
1319cac2b
1411c2701
15b38e43
hex823cad

8535213 has 10 divisors (see below), whose sum is σ = 12750254. Its totient is φ = 5690088.

The previous prime is 8535211. The next prime is 8535223. The reversal of 8535213 is 3125358.

It can be written as a sum of positive squares in only one way, i.e., 5391684 + 3143529 = 2322^2 + 1773^2 .

It is not a de Polignac number, because 8535213 - 21 = 8535211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8535211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 52606 + ... + 52767.

Almost surely, 28535213 is an apocalyptic number.

It is an amenable number.

8535213 is a deficient number, since it is larger than the sum of its proper divisors (4215041).

8535213 is a wasteful number, since it uses less digits than its factorization.

8535213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105385 (or 105376 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 8535213 is about 2921.5086855938. The cubic root of 8535213 is about 204.3641851023.

The spelling of 8535213 in words is "eight million, five hundred thirty-five thousand, two hundred thirteen".

Divisors: 1 3 9 27 81 105373 316119 948357 2845071 8535213