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85662007 = 281304847
BaseRepresentation
bin1010001101100…
…01100100110111
312222012002011221
411012301210313
5133412141012
612300011211
72060054314
oct506614467
9188162157
1085662007
1144399152
1224830b07
13149935a2
14b53bd0b
1577c1507
hex51b1937

85662007 has 4 divisors (see below), whose sum is σ = 85967136. Its totient is φ = 85356880.

The previous prime is 85662001. The next prime is 85662011. The reversal of 85662007 is 70026658.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85662007 - 23 = 85661999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85662001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152143 + ... + 152704.

It is an arithmetic number, because the mean of its divisors is an integer number (21491784).

Almost surely, 285662007 is an apocalyptic number.

85662007 is a deficient number, since it is larger than the sum of its proper divisors (305129).

85662007 is a wasteful number, since it uses less digits than its factorization.

85662007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305128.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 85662007 is about 9255.3771938263. The cubic root of 85662007 is about 440.8214801490.

The spelling of 85662007 in words is "eighty-five million, six hundred sixty-two thousand, seven".

Divisors: 1 281 304847 85662007