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1393230982 = 211139750221
BaseRepresentation
bin101001100001011…
…0000010010000110
310121002121110121111
41103002300102012
510323131342412
6350125435234
746345160623
oct12302602206
93532543544
101393230982
11655496070
1232a70bb1a
1319284b740
14d306d34a
15824a92a7
hex530b0486

1393230982 has 32 divisors (see below), whose sum is σ = 2480565024. Its totient is φ = 578534400.

The previous prime is 1393230977. The next prime is 1393230989. The reversal of 1393230982 is 2890323931.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393230989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2632 + ... + 52852.

It is an arithmetic number, because the mean of its divisors is an integer number (77517657).

Almost surely, 21393230982 is an apocalyptic number.

1393230982 is a deficient number, since it is larger than the sum of its proper divisors (1087334042).

1393230982 is a wasteful number, since it uses less digits than its factorization.

1393230982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50344.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 1393230982 is about 37326.0094572136. The cubic root of 1393230982 is about 1116.8830700024.

The spelling of 1393230982 in words is "one billion, three hundred ninety-three million, two hundred thirty thousand, nine hundred eighty-two".

Divisors: 1 2 11 13 22 26 97 143 194 286 1067 1261 2134 2522 13871 27742 50221 100442 552431 652873 1104862 1305746 4871437 7181603 9742874 14363206 53585807 63328681 107171614 126657362 696615491 1393230982