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85887371 = 353467521
BaseRepresentation
bin1010001111010…
…00100110001011
312222121112022202
411013220212023
5133441343441
612304510415
72062013333
oct507504613
9188545282
1085887371
11445324a9
122491b40b
1314a4203b
14b59a0c3
15781819b
hex51e898b

85887371 has 8 divisors (see below), whose sum is σ = 86480784. Its totient is φ = 85296640.

The previous prime is 85887343. The next prime is 85887409. The reversal of 85887371 is 17378858.

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 85887371 - 218 = 85625227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85887311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164591 + ... + 165111.

It is an arithmetic number, because the mean of its divisors is an integer number (10810098).

Almost surely, 285887371 is an apocalyptic number.

85887371 is a deficient number, since it is larger than the sum of its proper divisors (593413).

85887371 is a wasteful number, since it uses less digits than its factorization.

85887371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341.

The product of its digits is 376320, while the sum is 47.

The square root of 85887371 is about 9267.5439572737. The cubic root of 85887371 is about 441.2077202171.

The spelling of 85887371 in words is "eighty-five million, eight hundred eighty-seven thousand, three hundred seventy-one".

Divisors: 1 353 467 521 164851 183913 243307 85887371