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1940968860 = 223532349481
BaseRepresentation
bin111001110110000…
…1101010110011100
312000021021102201120
41303230031112130
512433342000420
6520333410540
766045651225
oct16354152634
95007242646
101940968860
119066986a6
12462039a50
1324c1793ac
14145ad024c
15b5601d40
hex73b0d59c

1940968860 has 24 divisors (see below), whose sum is σ = 5434712976. Its totient is φ = 517591680.

The previous prime is 1940968859. The next prime is 1940968867. The reversal of 1940968860 is 688690491.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940968867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16174681 + ... + 16174800.

It is an arithmetic number, because the mean of its divisors is an integer number (226446374).

Almost surely, 21940968860 is an apocalyptic number.

1940968860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1940968860 is an abundant number, since it is smaller than the sum of its proper divisors (3493744116).

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

1940968860 is a wasteful number, since it uses less digits than its factorization.

1940968860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32349493 (or 32349491 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 1940968860 is about 44056.4281348364. The cubic root of 1940968860 is about 1247.4012912476.

The spelling of 1940968860 in words is "one billion, nine hundred forty million, nine hundred sixty-eight thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 32349481 64698962 97048443 129397924 161747405 194096886 323494810 388193772 485242215 646989620 970484430 1940968860