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85470163 = 298335509
BaseRepresentation
bin1010001100000…
…10101111010011
312221211100000121
411012002233103
5133340021123
612251531111
72055325102
oct506025723
9187740017
1085470163
1144277aa9
1224759a97
131492717c
14b4cc039
15778475d
hex5182bd3

85470163 has 8 divisors (see below), whose sum is σ = 89485200. Its totient is φ = 81526368.

The previous prime is 85470137. The next prime is 85470167. The reversal of 85470163 is 36107458.

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 85470163 - 29 = 85469651 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85470167) 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, 15348 + ... + 20161.

It is an arithmetic number, because the mean of its divisors is an integer number (11185650).

Almost surely, 285470163 is an apocalyptic number.

85470163 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

85470163 is a deficient number, since it is larger than the sum of its proper divisors (4015037).

85470163 is a wasteful number, since it uses less digits than its factorization.

85470163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35621.

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

The square root of 85470163 is about 9245.0074634908. The cubic root of 85470163 is about 440.4921541942.

It can be divided in two parts, 854 and 70163, that added together give a palindrome (71017).

The spelling of 85470163 in words is "eighty-five million, four hundred seventy thousand, one hundred sixty-three".

Divisors: 1 29 83 2407 35509 1029761 2947247 85470163