Search a number
-
+
805626130 = 2580562613
BaseRepresentation
bin110000000001001…
…110000100010010
32002010221001021211
4300001032010102
53122220014010
6211535210334
725651465141
oct6001160422
92063831254
10805626130
11383833921
121a59769aa
13caba296a
1478dd1758
154aad908a
hex3004e112

805626130 has 8 divisors (see below), whose sum is σ = 1450127052. Its totient is φ = 322250448.

The previous prime is 805626103. The next prime is 805626149. The reversal of 805626130 is 31626508.

It can be written as a sum of positive squares in 2 ways, for example, as 795747681 + 9878449 = 28209^2 + 3143^2 .

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

It is a super-2 number, since 2×8056261302 = 1298066922677553800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 805626092 and 805626101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40281297 + ... + 40281316.

Almost surely, 2805626130 is an apocalyptic number.

805626130 is a deficient number, since it is larger than the sum of its proper divisors (644500922).

805626130 is a wasteful number, since it uses less digits than its factorization.

805626130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80562620.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 805626130 is about 28383.5538648704. The cubic root of 805626130 is about 930.4888669590.

The spelling of 805626130 in words is "eight hundred five million, six hundred twenty-six thousand, one hundred thirty".

Divisors: 1 2 5 10 80562613 161125226 402813065 805626130