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1680228227 = 79713071613
BaseRepresentation
bin110010000100110…
…0011111110000011
311100002122102211002
41210021203332003
511420114300402
6434421042215
756431463366
oct14411437603
94302572732
101680228227
11792499377
123aa85636b
1320a145cb2
1411d21a0dd
159c79a602
hex64263f83

1680228227 has 8 divisors (see below), whose sum is σ = 1684667376. Its totient is φ = 1675796512.

The previous prime is 1680228217. The next prime is 1680228229. The reversal of 1680228227 is 7228220861.

It is a happy number.

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 1680228227 - 26 = 1680228163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1680228229) 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, 1040873 + ... + 1042485.

It is an arithmetic number, because the mean of its divisors is an integer number (210583422).

Almost surely, 21680228227 is an apocalyptic number.

1680228227 is a deficient number, since it is larger than the sum of its proper divisors (4439149).

1680228227 is a wasteful number, since it uses less digits than its factorization.

1680228227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 1680228227 is about 40990.5870536151. The cubic root of 1680228227 is about 1188.8382199991.

The spelling of 1680228227 in words is "one billion, six hundred eighty million, two hundred twenty-eight thousand, two hundred twenty-seven".

Divisors: 1 797 1307 1613 1041679 1285561 2108191 1680228227