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1085223817 = 19307186049
BaseRepresentation
bin100000010101111…
…0011001110001001
32210122001002012201
41000223303032021
54210304130232
6255404040201
735615151556
oct10053631611
92718032181
101085223817
11507642797
12263533061
13143aa9192
14a41b3a2d
1565417be7
hex40af3389

1085223817 has 8 divisors (see below), whose sum is σ = 1146068000. Its totient is φ = 1024752384.

The previous prime is 1085223787. The next prime is 1085223859. The reversal of 1085223817 is 7183225801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1085223817 - 211 = 1085221769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085223617) 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, 87192 + ... + 98857.

It is an arithmetic number, because the mean of its divisors is an integer number (143258500).

Almost surely, 21085223817 is an apocalyptic number.

It is an amenable number.

1085223817 is a deficient number, since it is larger than the sum of its proper divisors (60844183).

1085223817 is a wasteful number, since it uses less digits than its factorization.

1085223817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186375.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 1085223817 is about 32942.7354207267. The cubic root of 1085223817 is about 1027.6370935725.

The spelling of 1085223817 in words is "one billion, eighty-five million, two hundred twenty-three thousand, eight hundred seventeen".

Divisors: 1 19 307 5833 186049 3534931 57117043 1085223817