Search a number
-
+
1660242434 = 21019814643
BaseRepresentation
bin110001011110101…
…0100101000000010
311021201001001110112
41202331110220002
511400010224214
6432424431322
756066553644
oct14275245002
94251031415
101660242434
11782188794
123a4018542
13205c69196
1411a6d6894
159ab4da3e
hex62f54a02

1660242434 has 8 divisors (see below), whose sum is σ = 2492810640. Its totient is φ = 829305556.

The previous prime is 1660242413. The next prime is 1660242461. The reversal of 1660242434 is 4342420661.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1660242434.

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 3 ways as a sum of consecutive naturals, for example, 405284 + ... + 409359.

It is an arithmetic number, because the mean of its divisors is an integer number (311601330).

Almost surely, 21660242434 is an apocalyptic number.

1660242434 is a deficient number, since it is larger than the sum of its proper divisors (832568206).

1660242434 is a wasteful number, since it uses less digits than its factorization.

1660242434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815664.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 1660242434 is about 40746.0726205606. The cubic root of 1660242434 is about 1184.1057860079.

The spelling of 1660242434 in words is "one billion, six hundred sixty million, two hundred forty-two thousand, four hundred thirty-four".

Divisors: 1 2 1019 2038 814643 1629286 830121217 1660242434