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84452485 = 5131299269
BaseRepresentation
bin1010000100010…
…10010010000101
312212220122000211
411002022102011
5133104434420
612214035421
72043556105
oct502122205
9185818024
1084452485
1143742447
1224348b71
131465bbb0
14b305205
157632e5a
hex508a485

84452485 has 8 divisors (see below), whose sum is σ = 109138680. Its totient is φ = 62364864.

The previous prime is 84452483. The next prime is 84452503. The reversal of 84452485 is 58425448.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16785409 + 67667076 = 4097^2 + 8226^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84452485 - 21 = 84452483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84452483) 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, 649570 + ... + 649699.

It is an arithmetic number, because the mean of its divisors is an integer number (13642335).

Almost surely, 284452485 is an apocalyptic number.

It is an amenable number.

84452485 is a deficient number, since it is larger than the sum of its proper divisors (24686195).

84452485 is a wasteful number, since it uses less digits than its factorization.

84452485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299287.

The product of its digits is 204800, while the sum is 40.

The square root of 84452485 is about 9189.8033167201. The cubic root of 84452485 is about 438.7368818842.

The spelling of 84452485 in words is "eighty-four million, four hundred fifty-two thousand, four hundred eighty-five".

Divisors: 1 5 13 65 1299269 6496345 16890497 84452485