Search a number
-
+
1641073 = 72310193
BaseRepresentation
bin110010000101001110001
310002101010111
412100221301
5410003243
655101321
716643320
oct6205161
93071114
101641073
11a20a65
12671841
13455c65
1430a0b7
1522639d
hex190a71

1641073 has 8 divisors (see below), whose sum is σ = 1957248. Its totient is φ = 1345344.

The previous prime is 1641053. The next prime is 1641077. The reversal of 1641073 is 3701461.

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

It is not a de Polignac number, because 1641073 - 213 = 1632881 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641077) 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, 4936 + ... + 5257.

It is an arithmetic number, because the mean of its divisors is an integer number (244656).

21641073 is an apocalyptic number.

It is an amenable number.

1641073 is a deficient number, since it is larger than the sum of its proper divisors (316175).

1641073 is a wasteful number, since it uses less digits than its factorization.

1641073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10223.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1641073 is about 1281.0437151011. The cubic root of 1641073 is about 117.9530839057.

The spelling of 1641073 in words is "one million, six hundred forty-one thousand, seventy-three".

Divisors: 1 7 23 161 10193 71351 234439 1641073