Search a number
-
+
1680341 = 13196803
BaseRepresentation
bin110011010001111010101
310011100222212
412122033111
5412232331
6100003205
720165645
oct6321725
93140885
101680341
11a48513
12690505
1346aab0
1431a525
15232d2b
hex19a3d5

1680341 has 8 divisors (see below), whose sum is σ = 1905120. Its totient is φ = 1469232.

The previous prime is 1680323. The next prime is 1680359. The reversal of 1680341 is 1430861.

It is an interprime number because it is at equal distance from previous prime (1680323) and next prime (1680359).

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

It is not a de Polignac number, because 1680341 - 26 = 1680277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680361) 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, 3155 + ... + 3648.

It is an arithmetic number, because the mean of its divisors is an integer number (238140).

21680341 is an apocalyptic number.

It is an amenable number.

1680341 is a deficient number, since it is larger than the sum of its proper divisors (224779).

1680341 is a wasteful number, since it uses less digits than its factorization.

1680341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6835.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1680341 is about 1296.2796766130. The cubic root of 1680341 is about 118.8864816754.

The spelling of 1680341 in words is "one million, six hundred eighty thousand, three hundred forty-one".

Divisors: 1 13 19 247 6803 88439 129257 1680341