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1344519431 = 29371253047
BaseRepresentation
bin101000000100011…
…1011110100000111
310110200221122220222
41100020323310013
510223144110211
6341225414555
745214140503
oct12010736407
93420848828
101344519431
1162aa45392
1231633a45b
13185724938
14ca7cd303
157d0861db
hex5023bd07

1344519431 has 8 divisors (see below), whose sum is σ = 1428474720. Its totient is φ = 1263070368.

The previous prime is 1344519427. The next prime is 1344519433. The reversal of 1344519431 is 1349154431.

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 1344519431 - 22 = 1344519427 is a prime.

It is a super-2 number, since 2×13445194312 = 3615465000673127522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1344519391 and 1344519400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344519433) 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, 625451 + ... + 627596.

It is an arithmetic number, because the mean of its divisors is an integer number (178559340).

Almost surely, 21344519431 is an apocalyptic number.

1344519431 is a deficient number, since it is larger than the sum of its proper divisors (83955289).

1344519431 is a wasteful number, since it uses less digits than its factorization.

1344519431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253113.

The product of its digits is 25920, while the sum is 35.

The square root of 1344519431 is about 36667.6891963483. The cubic root of 1344519431 is about 1103.7118219577.

The spelling of 1344519431 in words is "one billion, three hundred forty-four million, five hundred nineteen thousand, four hundred thirty-one".

Divisors: 1 29 37 1073 1253047 36338363 46362739 1344519431