Search a number
-
+
804655968 = 25317493049
BaseRepresentation
bin101111111101100…
…001001101100000
32002002002202110220
4233331201031200
53121442442333
6211502323040
725640314524
oct5775411540
92062082426
10804655968
11383230a36
121a5589480
13ca9231bc
1478c1bd84
154a9968b3
hex2ff61360

804655968 has 48 divisors (see below), whose sum is σ = 2236474800. Its totient is φ = 252440576.

The previous prime is 804655889. The next prime is 804655981. The reversal of 804655968 is 869556408.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 804655968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244893 + ... + 248156.

It is an arithmetic number, because the mean of its divisors is an integer number (46593225).

Almost surely, 2804655968 is an apocalyptic number.

It is an amenable number.

804655968 is an abundant number, since it is smaller than the sum of its proper divisors (1431818832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

804655968 is a wasteful number, since it uses less digits than its factorization.

804655968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493079 (or 493071 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The square root of 804655968 is about 28366.4585029573. The cubic root of 804655968 is about 930.1152082965.

The spelling of 804655968 in words is "eight hundred four million, six hundred fifty-five thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 68 96 102 136 204 272 408 544 816 1632 493049 986098 1479147 1972196 2958294 3944392 5916588 7888784 8381833 11833176 15777568 16763666 23666352 25145499 33527332 47332704 50290998 67054664 100581996 134109328 201163992 268218656 402327984 804655968