Search a number
-
+
684298030 = 251331277613
BaseRepresentation
bin101000110010011…
…000111100101110
31202200121221102111
4220302120330232
52400140014110
6151522514234
722646302663
oct5062307456
91680557374
10684298030
113212a5269
1217120597a
13aba023a0
1466c4ba6a
154011ee8a
hex28c98f2e

684298030 has 64 divisors (see below), whose sum is σ = 1376460288. Its totient is φ = 243233280.

The previous prime is 684298009. The next prime is 684298033. The reversal of 684298030 is 30892486.

684298030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684298033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1116004 + ... + 1116616.

It is an arithmetic number, because the mean of its divisors is an integer number (21507192).

Almost surely, 2684298030 is an apocalyptic number.

684298030 is an abundant number, since it is smaller than the sum of its proper divisors (692162258).

684298030 is a wasteful number, since it uses less digits than its factorization.

684298030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 684298030 is about 26159.0907716610. The cubic root of 684298030 is about 881.2147608933.

The spelling of 684298030 in words is "six hundred eighty-four million, two hundred ninety-eight thousand, thirty".

Divisors: 1 2 5 10 13 26 31 62 65 130 155 277 310 403 554 613 806 1226 1385 2015 2770 3065 3601 4030 6130 7202 7969 8587 15938 17174 18005 19003 36010 38006 39845 42935 79690 85870 95015 111631 169801 190030 223262 247039 339602 494078 558155 849005 1116310 1235195 1698010 2207413 2470390 4414826 5263831 10527662 11037065 22074130 26319155 52638310 68429803 136859606 342149015 684298030