Search a number
-
+
712130530 = 2571213053
BaseRepresentation
bin101010011100100…
…011111111100010
31211121222222102211
4222130203333202
52424301134110
6154355232334
723435003206
oct5234437742
91747888384
10712130530
11335a85231
1217a5a86aa
13b46c8917
146a814b06
15427bb98a
hex2a723fe2

712130530 has 8 divisors (see below), whose sum is σ = 1281834972. Its totient is φ = 284852208.

The previous prime is 712130519. The next prime is 712130597. The reversal of 712130530 is 35031217.

It can be written as a sum of positive squares in 2 ways, for example, as 614891209 + 97239321 = 24797^2 + 9861^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 35606517 + ... + 35606536.

Almost surely, 2712130530 is an apocalyptic number.

712130530 is a deficient number, since it is larger than the sum of its proper divisors (569704442).

712130530 is a wasteful number, since it uses less digits than its factorization.

712130530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71213060.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 712130530 is about 26685.7739254457. The cubic root of 712130530 is about 893.0035834959.

Adding to 712130530 its reverse (35031217), we get a palindrome (747161747).

The spelling of 712130530 in words is "seven hundred twelve million, one hundred thirty thousand, five hundred thirty".

Divisors: 1 2 5 10 71213053 142426106 356065265 712130530