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8522538 = 2311711213
BaseRepresentation
bin100000100000…
…101100101010
3121000222201120
4200200230222
54140210123
6502400110
7132304023
oct40405452
917028646
108522538
1148a1122
122a30036
1319c522b
1411bbc4a
15b352e3
hex820b2a

8522538 has 16 divisors (see below), whose sum is σ = 17073696. Its totient is φ = 2836080.

The previous prime is 8522537. The next prime is 8522561. The reversal of 8522538 is 8352258.

It is a super-2 number, since 2×85225382 = 145267307922888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8522499 and 8522508.

It is not an unprimeable number, because it can be changed into a prime (8522533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6420 + ... + 7632.

It is an arithmetic number, because the mean of its divisors is an integer number (1067106).

Almost surely, 28522538 is an apocalyptic number.

8522538 is an abundant number, since it is smaller than the sum of its proper divisors (8551158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8522538 is a wasteful number, since it uses less digits than its factorization.

8522538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389.

The product of its digits is 19200, while the sum is 33.

The square root of 8522538 is about 2919.3386237297. The cubic root of 8522538 is about 204.2629730477.

The spelling of 8522538 in words is "eight million, five hundred twenty-two thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 1171 1213 2342 2426 3513 3639 7026 7278 1420423 2840846 4261269 8522538