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1382646493 = 2639295659
BaseRepresentation
bin101001001101001…
…1000001011011101
310120100200201102101
41102122120023131
510312424141433
6345110525101
746156205224
oct12232301335
93510621371
101382646493
1164a516858
12327066791
131905b3b27
14d18b5cbb
15815b807d
hex526982dd

1382646493 has 8 divisors (see below), whose sum is σ = 1389643200. Its totient is φ = 1375663488.

The previous prime is 1382646491. The next prime is 1382646521. The reversal of 1382646493 is 3946462831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1382646493 - 21 = 1382646491 is a prime.

It is a super-2 number, since 2×13826464932 = 3823422649210398098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382646491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241498 + ... + 247156.

It is an arithmetic number, because the mean of its divisors is an integer number (173705400).

Almost surely, 21382646493 is an apocalyptic number.

It is an amenable number.

1382646493 is a deficient number, since it is larger than the sum of its proper divisors (6996707).

1382646493 is an equidigital number, since it uses as much as digits as its factorization.

1382646493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6851.

The product of its digits is 746496, while the sum is 46.

The square root of 1382646493 is about 37183.9547789097. The cubic root of 1382646493 is about 1114.0475267315.

The spelling of 1382646493 in words is "one billion, three hundred eighty-two million, six hundred forty-six thousand, four hundred ninety-three".

Divisors: 1 263 929 5659 244327 1488317 5257211 1382646493