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1080997442 = 27233331391
BaseRepresentation
bin100000001101110…
…1011011001000010
32210100002100201022
41000123223121002
54203213404232
6255133305442
735534220020
oct10033533102
92710070638
101080997442
11505216418
12262035282
13142c59575
14a37d3710
1564d80812
hex406eb642

1080997442 has 16 divisors (see below), whose sum is σ = 1861097472. Its totient is φ = 461294880.

The previous prime is 1080997441. The next prime is 1080997451. The reversal of 1080997442 is 2447990801.

It is a super-2 number, since 2×10809974422 = 2337110939221086728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1080997393 and 1080997402.

It is not an unprimeable number, because it can be changed into a prime (1080997441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162434 + ... + 168957.

It is an arithmetic number, because the mean of its divisors is an integer number (116318592).

Almost surely, 21080997442 is an apocalyptic number.

1080997442 is a deficient number, since it is larger than the sum of its proper divisors (780100030).

1080997442 is a wasteful number, since it uses less digits than its factorization.

1080997442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331633.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1080997442 is about 32878.5255447990. The cubic root of 1080997442 is about 1026.3013230104.

The spelling of 1080997442 in words is "one billion, eighty million, nine hundred ninety-seven thousand, four hundred forty-two".

Divisors: 1 2 7 14 233 466 1631 3262 331391 662782 2319737 4639474 77214103 154428206 540498721 1080997442