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85452087 = 3716672441
BaseRepresentation
bin1010001011111…
…10010100110111
312221210102020010
411011332110313
5133333431322
612251311303
72055221310
oct505762467
9187712203
1085452087
1144265466
122474b533
131491bb86
14b4c5607
15777e20c
hex517e537

85452087 has 16 divisors (see below), whose sum is σ = 130344192. Its totient is φ = 48780480.

The previous prime is 85452083. The next prime is 85452109. The reversal of 85452087 is 78025458.

It is not a de Polignac number, because 85452087 - 22 = 85452083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85452083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33787 + ... + 36227.

It is an arithmetic number, because the mean of its divisors is an integer number (8146512).

Almost surely, 285452087 is an apocalyptic number.

85452087 is a deficient number, since it is larger than the sum of its proper divisors (44892105).

85452087 is a wasteful number, since it uses less digits than its factorization.

85452087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118.

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 85452087 is about 9244.0298030675. The cubic root of 85452087 is about 440.4610989219.

The spelling of 85452087 in words is "eighty-five million, four hundred fifty-two thousand, eighty-seven".

Divisors: 1 3 7 21 1667 2441 5001 7323 11669 17087 35007 51261 4069147 12207441 28484029 85452087