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1344662379 = 32172516979
BaseRepresentation
bin101000000100101…
…1110101101101011
310110201012221000100
41100021132231223
510223213144004
6341232440443
745215304324
oct12011365553
93421187010
101344662379
11630032825
123163a9123
13185774a18
14ca82944b
157d0b3739
hex5025eb6b

1344662379 has 18 divisors (see below), whose sum is σ = 2063267180. Its totient is φ = 843708096.

The previous prime is 1344662359. The next prime is 1344662381. The reversal of 1344662379 is 9732664431.

1344662379 is a `hidden beast` number, since 13 + 4 + 4 + 6 + 623 + 7 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2k-1344662379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344662359) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 255889 + ... + 261090.

Almost surely, 21344662379 is an apocalyptic number.

1344662379 is a deficient number, since it is larger than the sum of its proper divisors (718604801).

1344662379 is a wasteful number, since it uses less digits than its factorization.

1344662379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517019 (or 516999 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 1344662379 is about 36669.6383810912. The cubic root of 1344662379 is about 1103.7509357612.

The spelling of 1344662379 in words is "one billion, three hundred forty-four million, six hundred sixty-two thousand, three hundred seventy-nine".

Divisors: 1 3 9 17 51 153 289 867 2601 516979 1550937 4652811 8788643 26365929 79097787 149406931 448220793 1344662379