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260315630 = 2526031563
BaseRepresentation
bin11111000010000…
…01100111101110
3200010211101220122
433201001213232
51013120100010
641455244542
76310434461
oct1741014756
9603741818
10260315630
11123a39a93
1273219752
1341c14b23
14268032d8
1517cc0855
hexf8419ee

260315630 has 8 divisors (see below), whose sum is σ = 468568152. Its totient is φ = 104126248.

The previous prime is 260315597. The next prime is 260315641. The reversal of 260315630 is 36513062.

260315630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 260315630.

It is a congruent number.

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, 13015772 + ... + 13015791.

It is an arithmetic number, because the mean of its divisors is an integer number (58571019).

Almost surely, 2260315630 is an apocalyptic number.

260315630 is a deficient number, since it is larger than the sum of its proper divisors (208252522).

260315630 is a wasteful number, since it uses less digits than its factorization.

260315630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26031570.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 260315630 is about 16134.2997988757. The cubic root of 260315630 is about 638.5085959375.

Adding to 260315630 its reverse (36513062), we get a palindrome (296828692).

The spelling of 260315630 in words is "two hundred sixty million, three hundred fifteen thousand, six hundred thirty".

Divisors: 1 2 5 10 26031563 52063126 130157815 260315630