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1392479054 = 21277697129
BaseRepresentation
bin101001011111111…
…1000101101001110
310121001012021011022
41102333320231032
510322433312204
6350101354142
746335606461
oct12277705516
93531167138
101392479054
1165502213a
1232a408952
13192647405
14d2d152d8
15823ab5be
hex52ff8b4e

1392479054 has 16 divisors (see below), whose sum is σ = 2108198400. Its totient is φ = 689762304.

The previous prime is 1392479003. The next prime is 1392479069. The reversal of 1392479054 is 4509742931.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1392478996 and 1392479014.

It is a congruent number.

It is an unprimeable number.

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, 191762 + ... + 198890.

It is an arithmetic number, because the mean of its divisors is an integer number (131762400).

Almost surely, 21392479054 is an apocalyptic number.

1392479054 is a deficient number, since it is larger than the sum of its proper divisors (715719346).

1392479054 is a wasteful number, since it uses less digits than its factorization.

1392479054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8027.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 1392479054 is about 37315.9356575713. The cubic root of 1392479054 is about 1116.6821062492.

The spelling of 1392479054 in words is "one billion, three hundred ninety-two million, four hundred seventy-nine thousand, fifty-four".

Divisors: 1 2 127 254 769 1538 7129 14258 97663 195326 905383 1810766 5482201 10964402 696239527 1392479054