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85478605 = 517599719
BaseRepresentation
bin1010001100001…
…00110011001101
312221211202121021
411012010303031
5133340303410
612252034141
72055361522
oct506046315
9187752537
1085478605
1144283383
1224762951
131492ac74
14b4d1149
157786eda
hex5184ccd

85478605 has 8 divisors (see below), whose sum is σ = 102643200. Its totient is φ = 68336976.

The previous prime is 85478531. The next prime is 85478609. The reversal of 85478605 is 50687458.

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 85478605 - 221 = 83381453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85478609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3936 + ... + 13654.

It is an arithmetic number, because the mean of its divisors is an integer number (12830400).

Almost surely, 285478605 is an apocalyptic number.

It is an amenable number.

85478605 is a deficient number, since it is larger than the sum of its proper divisors (17164595).

85478605 is a wasteful number, since it uses less digits than its factorization.

85478605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11483.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 85478605 is about 9245.4640229682. The cubic root of 85478605 is about 440.5066563792.

The spelling of 85478605 in words is "eighty-five million, four hundred seventy-eight thousand, six hundred five".

Divisors: 1 5 1759 8795 9719 48595 17095721 85478605