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85282001 = 727922031
BaseRepresentation
bin1010001010101…
…00110011010001
312221110202220122
411011110303101
5133313011001
612243520025
72053612400
oct505246321
9187422818
1085282001
11441596a2
1224689015
131488c62c
14b47d637
157748b1b
hex5154cd1

85282001 has 12 divisors (see below), whose sum is σ = 100465920. Its totient is φ = 72170280.

The previous prime is 85281991. The next prime is 85282007. The reversal of 85282001 is 10028258.

It is not a de Polignac number, because 85282001 - 210 = 85280977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85282007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7145 + ... + 14886.

It is an arithmetic number, because the mean of its divisors is an integer number (8372160).

Almost surely, 285282001 is an apocalyptic number.

It is an amenable number.

85282001 is a deficient number, since it is larger than the sum of its proper divisors (15183919).

85282001 is a wasteful number, since it uses less digits than its factorization.

85282001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22124 (or 22117 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 85282001 is about 9234.8254450206. The cubic root of 85282001 is about 440.1686698379.

The spelling of 85282001 in words is "eighty-five million, two hundred eighty-two thousand, one".

Divisors: 1 7 49 79 553 3871 22031 154217 1079519 1740449 12183143 85282001