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1340130342 = 23943923663
BaseRepresentation
bin100111111100000…
…1100010000100110
310110101200200020010
41033320030100212
510221033132332
6340551351050
745131630355
oct11770142046
93411620203
101340130342
11628517841
12314982486
13184848c45
14c9da999c
157c9ba9cc
hex4fe0c426

1340130342 has 16 divisors (see below), whose sum is σ = 2680657920. Its totient is φ = 446643912.

The previous prime is 1340130329. The next prime is 1340130353. The reversal of 1340130342 is 2430310431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44803 + ... + 68465.

It is an arithmetic number, because the mean of its divisors is an integer number (167541120).

Almost surely, 21340130342 is an apocalyptic number.

1340130342 is an abundant number, since it is smaller than the sum of its proper divisors (1340527578).

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

1340130342 is a wasteful number, since it uses less digits than its factorization.

1340130342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33107.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1340130342 is about 36607.7907282043. The cubic root of 1340130342 is about 1102.5095162202.

Adding to 1340130342 its reverse (2430310431), we get a palindrome (3770440773).

The spelling of 1340130342 in words is "one billion, three hundred forty million, one hundred thirty thousand, three hundred forty-two".

Divisors: 1 2 3 6 9439 18878 23663 28317 47326 56634 70989 141978 223355057 446710114 670065171 1340130342