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1996354493 = 7416955939
BaseRepresentation
bin111011011111101…
…1111001110111101
312011010111022112022
41312333133032331
513042031320433
6530032445525
7100320506330
oct16677371675
95133438468
101996354493
11934987751
124786a98a5
1325a79bc63
1414d1ca617
15ba3e2698
hex76fdf3bd

1996354493 has 8 divisors (see below), whose sum is σ = 2337195840. Its totient is φ = 1669425120.

The previous prime is 1996354471. The next prime is 1996354513. The reversal of 1996354493 is 3944536991.

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 1996354493 - 28 = 1996354237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996354793) 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, 3477683 + ... + 3478256.

It is an arithmetic number, because the mean of its divisors is an integer number (292149480).

Almost surely, 21996354493 is an apocalyptic number.

It is an amenable number.

1996354493 is a deficient number, since it is larger than the sum of its proper divisors (340841347).

1996354493 is an equidigital number, since it uses as much as digits as its factorization.

1996354493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6955987.

The product of its digits is 3149280, while the sum is 53.

The square root of 1996354493 is about 44680.5829527771. The cubic root of 1996354493 is about 1259.1550758111.

The spelling of 1996354493 in words is "one billion, nine hundred ninety-six million, three hundred fifty-four thousand, four hundred ninety-three".

Divisors: 1 7 41 287 6955939 48691573 285193499 1996354493