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85102106 = 242551053
BaseRepresentation
bin1010001001010…
…00111000011010
312221010122010212
411010220320122
5133241231411
612240011122
72052233045
oct504507032
9187118125
1085102106
1144046521
1224600aa2
131482879b
14b433c5c
15771068b
hex5128e1a

85102106 has 4 divisors (see below), whose sum is σ = 127653162. Its totient is φ = 42551052.

The previous prime is 85102103. The next prime is 85102123. The reversal of 85102106 is 60120158.

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

It can be written as a sum of positive squares in only one way, i.e., 84364225 + 737881 = 9185^2 + 859^2 .

It is not an unprimeable number, because it can be changed into a prime (85102103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21275525 + ... + 21275528.

Almost surely, 285102106 is an apocalyptic number.

85102106 is a deficient number, since it is larger than the sum of its proper divisors (42551056).

85102106 is a wasteful number, since it uses less digits than its factorization.

85102106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42551055.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 85102106 is about 9225.0802706535. The cubic root of 85102106 is about 439.8589527243.

The spelling of 85102106 in words is "eighty-five million, one hundred two thousand, one hundred six".

Divisors: 1 2 42551053 85102106