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1386853696 = 2631222549
BaseRepresentation
bin101001010101001…
…1011010101000000
310120122121110121201
41102222123111000
510320013304241
6345341030544
746240030144
oct12252332500
93518543551
101386853696
1165192a788
12328555454
13191427ab7
14d228d224
1581b49931
hex52a9b540

1386853696 has 42 divisors (see below), whose sum is σ = 2843803050. Its totient is φ = 671028480.

The previous prime is 1386853687. The next prime is 1386853733. The reversal of 1386853696 is 6963586831.

It can be written as a sum of positive squares in only one way, i.e., 1383840000 + 3013696 = 37200^2 + 1736^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50230 + ... + 72778.

Almost surely, 21386853696 is an apocalyptic number.

1386853696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1386853696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1421901525).

1386853696 is an abundant number, since it is smaller than the sum of its proper divisors (1456949354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1386853696 is an equidigital number, since it uses as much as digits as its factorization.

1386853696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22623 (or 22582 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 55.

The square root of 1386853696 is about 37240.4846370184. The cubic root of 1386853696 is about 1115.1763469929.

The spelling of 1386853696 in words is "one billion, three hundred eighty-six million, eight hundred fifty-three thousand, six hundred ninety-six".

Divisors: 1 2 4 8 16 31 32 62 64 124 248 496 961 992 1922 1984 3844 7688 15376 22549 30752 45098 61504 90196 180392 360784 699019 721568 1398038 1443136 2796076 5592152 11184304 21669589 22368608 43339178 44737216 86678356 173356712 346713424 693426848 1386853696