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1080734221 = 7374172719
BaseRepresentation
bin100000001101010…
…1011001000001101
32210022120222122101
41000122223020031
54203131443341
6255123515101
735532042430
oct10032531015
92708528571
101080734221
11505056686
12261b28a91
13142b96808
14a3765817
1564d2c831
hex406ab20d

1080734221 has 8 divisors (see below), whose sum is σ = 1268506880. Its totient is φ = 901307088.

The previous prime is 1080734219. The next prime is 1080734243. The reversal of 1080734221 is 1224370801.

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 1080734221 - 21 = 1080734219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1080734221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080734261) 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, 2086101 + ... + 2086618.

It is an arithmetic number, because the mean of its divisors is an integer number (158563360).

Almost surely, 21080734221 is an apocalyptic number.

It is an amenable number.

1080734221 is a deficient number, since it is larger than the sum of its proper divisors (187772659).

1080734221 is an equidigital number, since it uses as much as digits as its factorization.

1080734221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172763.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1080734221 is about 32874.5223691539. The cubic root of 1080734221 is about 1026.2180153850.

The spelling of 1080734221 in words is "one billion, eighty million, seven hundred thirty-four thousand, two hundred twenty-one".

Divisors: 1 7 37 259 4172719 29209033 154390603 1080734221