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790130905 = 51391517529
BaseRepresentation
bin101111000110000…
…111000011011001
32001001202210211121
4233012013003121
53104233142110
6210223125241
725403000434
oct5706070331
92031683747
10790130905
11376010053
121a0743821
13c7908aa5
1476d1a81b
1549577cda
hex2f1870d9

790130905 has 16 divisors (see below), whose sum is σ = 961430400. Its totient is φ = 623318400.

The previous prime is 790130807. The next prime is 790130909. The reversal of 790130905 is 509031097.

790130905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 790130905 - 227 = 655913177 is a prime.

It is a super-2 number, since 2×7901309052 = 1248613694072238050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (790130909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101181 + ... + 108709.

It is an arithmetic number, because the mean of its divisors is an integer number (60089400).

Almost surely, 2790130905 is an apocalyptic number.

It is an amenable number.

790130905 is a deficient number, since it is larger than the sum of its proper divisors (171299495).

790130905 is a wasteful number, since it uses less digits than its factorization.

790130905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7824.

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 790130905 is about 28109.2672440959. The cubic root of 790130905 is about 924.4846040440.

The spelling of 790130905 in words is "seven hundred ninety million, one hundred thirty thousand, nine hundred five".

Divisors: 1 5 139 151 695 755 7529 20989 37645 104945 1046531 1136879 5232655 5684395 158026181 790130905