Search a number
-
+
726270630 = 23519267061
BaseRepresentation
bin101011010010100…
…000001010100110
31212121121101000020
4223102200022212
52441411130010
6200022300010
723666125041
oct5322401246
91777541006
10726270630
11342a62968
12183287606
13b7609a47
146c655c58
1543b61470
hex2b4a02a6

726270630 has 48 divisors (see below), whose sum is σ = 1839644784. Its totient is φ = 183476160.

The previous prime is 726270619. The next prime is 726270631. The reversal of 726270630 is 36072627.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 726270591 and 726270600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726270631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22701 + ... + 44360.

It is an arithmetic number, because the mean of its divisors is an integer number (38325933).

Almost surely, 2726270630 is an apocalyptic number.

726270630 is an abundant number, since it is smaller than the sum of its proper divisors (1113374154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

726270630 is a wasteful number, since it uses less digits than its factorization.

726270630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67109 (or 67090 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 726270630 is about 26949.4087133651. The cubic root of 726270630 is about 898.8753977988.

The spelling of 726270630 in words is "seven hundred twenty-six million, two hundred seventy thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 361 570 722 1083 1805 2166 3610 5415 10830 67061 134122 201183 335305 402366 670610 1005915 1274159 2011830 2548318 3822477 6370795 7644954 12741590 19112385 24209021 38224770 48418042 72627063 121045105 145254126 242090210 363135315 726270630