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1394079427 = 132316727919
BaseRepresentation
bin101001100010111…
…1111011011000011
310121011012120110101
41103011333123003
510323341020202
6350155543231
746355323336
oct12305773303
93534176411
101394079427
11655a15564
1232aa5ab17
13192a87990
14d321061d
15825c5887
hex5317f6c3

1394079427 has 16 divisors (see below), whose sum is σ = 1576028160. Its totient is φ = 1223478432.

The previous prime is 1394079409. The next prime is 1394079431. The reversal of 1394079427 is 7249704931.

It is a cyclic number.

It is not a de Polignac number, because 1394079427 - 215 = 1394046659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1394079437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35974 + ... + 63892.

It is an arithmetic number, because the mean of its divisors is an integer number (98501760).

Almost surely, 21394079427 is an apocalyptic number.

1394079427 is a deficient number, since it is larger than the sum of its proper divisors (181948733).

1394079427 is a wasteful number, since it uses less digits than its factorization.

1394079427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28122.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 1394079427 is about 37337.3730597106. The cubic root of 1394079427 is about 1117.1097425296.

The spelling of 1394079427 in words is "one billion, three hundred ninety-four million, seventy-nine thousand, four hundred twenty-seven".

Divisors: 1 13 23 167 299 2171 3841 27919 49933 362947 642137 4662473 8347781 60612149 107236879 1394079427