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1344131407 = 73162711317
BaseRepresentation
bin101000000011101…
…1101000101001111
310110200012221122201
41100013131011033
510223044201112
6341213222331
745210633313
oct12007350517
93420187581
101344131407
1162a7aa903
123161919a7
1318561a138
14ca72bb43
157d00b257
hex501dd14f

1344131407 has 8 divisors (see below), whose sum is σ = 1363502096. Its totient is φ = 1324786752.

The previous prime is 1344131389. The next prime is 1344131447. The reversal of 1344131407 is 7041314431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1344131407 - 219 = 1343607119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344131447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113113 + ... + 124429.

It is an arithmetic number, because the mean of its divisors is an integer number (170437762).

Almost surely, 21344131407 is an apocalyptic number.

1344131407 is a deficient number, since it is larger than the sum of its proper divisors (19370689).

1344131407 is a wasteful number, since it uses less digits than its factorization.

1344131407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13017.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1344131407 is about 36662.3977257353. The cubic root of 1344131407 is about 1103.6056358435.

Adding to 1344131407 its reverse (7041314431), we get a palindrome (8385445838).

The spelling of 1344131407 in words is "one billion, three hundred forty-four million, one hundred thirty-one thousand, four hundred seven".

Divisors: 1 73 1627 11317 118771 826141 18412759 1344131407