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1081007340 = 223572573827
BaseRepresentation
bin100000001101110…
…1101110011101100
32210100002212021220
41000123231303230
54203214213330
6255133423340
735534260620
oct10033556354
92710085256
101081007340
115052228a6
1226203ab50
13142c60c1a
14a37d7180
1564d83710
hex406edcec

1081007340 has 48 divisors (see below), whose sum is σ = 3459224832. Its totient is φ = 247087296.

The previous prime is 1081007327. The next prime is 1081007371. The reversal of 1081007340 is 437001801.

It is a self number, because there is not a number n which added to its sum of digits gives 1081007340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1286494 + ... + 1287333.

It is an arithmetic number, because the mean of its divisors is an integer number (72067184).

Almost surely, 21081007340 is an apocalyptic number.

1081007340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1081007340 is an abundant number, since it is smaller than the sum of its proper divisors (2378217492).

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

1081007340 is a wasteful number, since it uses less digits than its factorization.

1081007340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573846 (or 2573844 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1081007340 is about 32878.6760682361. The cubic root of 1081007340 is about 1026.3044553951.

It can be divided in two parts, 108100 and 7340, that added together give a triangular number (115440 = T480).

The spelling of 1081007340 in words is "one billion, eighty-one million, seven thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 2573827 5147654 7721481 10295308 12869135 15442962 18016789 25738270 30885924 36033578 38607405 51476540 54050367 72067156 77214810 90083945 108100734 154429620 180167890 216201468 270251835 360335780 540503670 1081007340