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1920768 = 2834161
BaseRepresentation
bin111010100111100000000
310121120210120
413110330000
5442431033
6105100240
722216623
oct7247400
93546716
101920768
1110a2113
12787680
13523365
1437ddba
1527e1b3
hex1d4f00

1920768 has 72 divisors (see below), whose sum is σ = 5322576. Its totient is φ = 614400.

The previous prime is 1920761. The next prime is 1920769. The reversal of 1920768 is 8670291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920761) 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, 31458 + ... + 31518.

21920768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1920768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2661288).

1920768 is an abundant number, since it is smaller than the sum of its proper divisors (3401808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1920768 is an equidigital number, since it uses as much as digits as its factorization.

1920768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1920768 is about 1385.9177464770. The cubic root of 1920768 is about 124.3058699358.

The spelling of 1920768 in words is "one million, nine hundred twenty thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 41 48 61 64 82 96 122 123 128 164 183 192 244 246 256 328 366 384 488 492 656 732 768 976 984 1312 1464 1952 1968 2501 2624 2928 3904 3936 5002 5248 5856 7503 7808 7872 10004 10496 11712 15006 15616 15744 20008 23424 30012 31488 40016 46848 60024 80032 120048 160064 240096 320128 480192 640256 960384 1920768