Search a number
-
+
805304941 = 7291739439
BaseRepresentation
bin101111111111111…
…111101001101101
32002010022201200221
4233333333221231
53122124224231
6211524251341
725645656550
oct5777775155
92063281627
10805304941
11383634581
121a5840b51
13caabc6cc
1478d4a697
154aa73d11
hex2ffffa6d

805304941 has 8 divisors (see below), whose sum is σ = 920687360. Its totient is φ = 690007248.

The previous prime is 805304939. The next prime is 805304953. The reversal of 805304941 is 149403508.

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

It is not a de Polignac number, because 805304941 - 21 = 805304939 is a prime.

It is a super-3 number, since 3×8053049413 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 805304897 and 805304906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805304041) 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, 700 + ... + 40138.

It is an arithmetic number, because the mean of its divisors is an integer number (115085920).

Almost surely, 2805304941 is an apocalyptic number.

It is an amenable number.

805304941 is a deficient number, since it is larger than the sum of its proper divisors (115382419).

805304941 is a wasteful number, since it uses less digits than its factorization.

805304941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42363.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 805304941 is about 28377.8952884107. The cubic root of 805304941 is about 930.3651939948.

The spelling of 805304941 in words is "eight hundred five million, three hundred four thousand, nine hundred forty-one".

Divisors: 1 7 2917 20419 39439 276073 115043563 805304941