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85480563 = 3719214237
BaseRepresentation
bin1010001100001…
…01010001110011
312221211212021210
411012011101303
5133340334223
612252051203
72055400320
oct506052163
9187755253
1085480563
11442848a3
1224763b03
131492bb1c
14b4d1b47
157787893
hex5185473

85480563 has 16 divisors (see below), whose sum is σ = 137112320. Its totient is φ = 46274976.

The previous prime is 85480553. The next prime is 85480579. The reversal of 85480563 is 36508458.

It is a happy number.

It is not a de Polignac number, because 85480563 - 212 = 85476467 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85480553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106720 + ... + 107517.

It is an arithmetic number, because the mean of its divisors is an integer number (8569520).

Almost surely, 285480563 is an apocalyptic number.

85480563 is a deficient number, since it is larger than the sum of its proper divisors (51631757).

85480563 is a wasteful number, since it uses less digits than its factorization.

85480563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214266.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 85480563 is about 9245.5699121255. The cubic root of 85480563 is about 440.5100198152.

The spelling of 85480563 in words is "eighty-five million, four hundred eighty thousand, five hundred sixty-three".

Divisors: 1 3 7 19 21 57 133 399 214237 642711 1499659 4070503 4498977 12211509 28493521 85480563