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1083389970 = 235133775079
BaseRepresentation
bin100000010010011…
…0011100000010010
32210111120220122110
41000210303200102
54204321434340
6255300450150
735563443225
oct10044634022
92714526573
101083389970
115065aaa13
122629a9956
131435b6570
14a3c575bc
15651a4680
hex40933812

1083389970 has 64 divisors (see below), whose sum is σ = 2875864320. Its totient is φ = 259469568.

The previous prime is 1083389927. The next prime is 1083389971. The reversal of 1083389970 is 799833801.

It is not an unprimeable number, because it can be changed into a prime (1083389971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23110 + ... + 51969.

It is an arithmetic number, because the mean of its divisors is an integer number (44935380).

Almost surely, 21083389970 is an apocalyptic number.

1083389970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1083389970 is an abundant number, since it is smaller than the sum of its proper divisors (1792474350).

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

1083389970 is a wasteful number, since it uses less digits than its factorization.

1083389970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75139.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 1083389970 is about 32914.8897917037. The cubic root of 1083389970 is about 1027.0579221971.

The spelling of 1083389970 in words is "one billion, eighty-three million, three hundred eighty-nine thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 37 39 65 74 78 111 130 185 195 222 370 390 481 555 962 1110 1443 2405 2886 4810 7215 14430 75079 150158 225237 375395 450474 750790 976027 1126185 1952054 2252370 2777923 2928081 4880135 5555846 5856162 8333769 9760270 13889615 14640405 16667538 27779230 29280810 36112999 41668845 72225998 83337690 108338997 180564995 216677994 361129990 541694985 1083389970