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1340324454 = 23731912487
BaseRepresentation
bin100111111100011…
…1011101001100110
310110102001112111110
41033320323221212
510221110340304
6340555445450
745133366320
oct11770735146
93412045443
101340324454
1162863a667
12314a56886
131848b63c1
14ca01a610
157ca08289
hex4fe3ba66

1340324454 has 16 divisors (see below), whose sum is σ = 3063598848. Its totient is φ = 382949832.

The previous prime is 1340324431. The next prime is 1340324459. The reversal of 1340324454 is 4544230431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340324459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15956202 + ... + 15956285.

It is an arithmetic number, because the mean of its divisors is an integer number (191474928).

Almost surely, 21340324454 is an apocalyptic number.

1340324454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1340324454 is an abundant number, since it is smaller than the sum of its proper divisors (1723274394).

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

1340324454 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 1340324454 = (3412045443)9.

1340324454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31912499.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 1340324454 is about 36610.4418711383. The cubic root of 1340324454 is about 1102.5627448723.

Adding to 1340324454 its reverse (4544230431), we get a palindrome (5884554885).

The spelling of 1340324454 in words is "one billion, three hundred forty million, three hundred twenty-four thousand, four hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 42 31912487 63824974 95737461 191474922 223387409 446774818 670162227 1340324454