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1340362842 = 237132454877
BaseRepresentation
bin100111111100100…
…0101000001011010
310110102010111011020
41033321011001122
510221113102332
6341000343310
745133616250
oct11771050132
93412114136
101340362842
11628666495
12314a74b36
131848caa10
14ca02a5d0
157ca1482c
hex4fe4505a

1340362842 has 32 divisors (see below), whose sum is σ = 3299356032. Its totient is φ = 353502144.

The previous prime is 1340362811. The next prime is 1340362843. The reversal of 1340362842 is 2482630431.

It is not an unprimeable number, because it can be changed into a prime (1340362843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1226893 + ... + 1227984.

It is an arithmetic number, because the mean of its divisors is an integer number (103104876).

Almost surely, 21340362842 is an apocalyptic number.

1340362842 is an abundant number, since it is smaller than the sum of its proper divisors (1958993190).

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

1340362842 is a wasteful number, since it uses less digits than its factorization.

1340362842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454902.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 1340362842 is about 36610.9661440394. The cubic root of 1340362842 is about 1102.5732708746.

It can be divided in two parts, 13403 and 62842, that added together give a triangular number (76245 = T390).

The spelling of 1340362842 in words is "one billion, three hundred forty million, three hundred sixty-two thousand, eight hundred forty-two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 2454877 4909754 7364631 14729262 17184139 31913401 34368278 51552417 63826802 95740203 103104834 191480406 223393807 446787614 670181421 1340362842