Search a number
-
+
807304043 = 7132682421
BaseRepresentation
bin110000000111100…
…111101101101011
32002021002021221202
4300013213231223
53123132212133
6212035154415
726001654050
oct6007475553
92067067852
10807304043
1138477a527
121a6445a0b
13cb33c600
147930b027
154ad1b2e8
hex301e7b6b

807304043 has 12 divisors (see below), whose sum is σ = 999065808. Its totient is φ = 638745120.

The previous prime is 807304033. The next prime is 807304049. The reversal of 807304043 is 340403708.

It is not a de Polignac number, because 807304043 - 210 = 807303019 is a prime.

It is a super-3 number, since 3×8073040433 (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 807303997 and 807304015.

It is not an unprimeable number, because it can be changed into a prime (807304049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340028 + ... + 342393.

It is an arithmetic number, because the mean of its divisors is an integer number (83255484).

Almost surely, 2807304043 is an apocalyptic number.

807304043 is a deficient number, since it is larger than the sum of its proper divisors (191761765).

807304043 is a wasteful number, since it uses less digits than its factorization.

807304043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682454 (or 682441 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 807304043 is about 28413.0963289818. The cubic root of 807304043 is about 931.1344090393.

The spelling of 807304043 in words is "eight hundred seven million, three hundred four thousand, forty-three".

Divisors: 1 7 13 91 169 1183 682421 4776947 8871473 62100311 115329149 807304043