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2431310340 = 223553764563
BaseRepresentation
bin1001000011101010…
…1101101000000100
320021102221100210010
42100322231220010
514434403412330
61041131230220
7114151540224
oct22072555004
96242840703
102431310340
111038458498
1257a2a8370
132c992c194
14190c90084
15e36ad3b0
hex90eada04

2431310340 has 48 divisors (see below), whose sum is σ = 6936124608. Its totient is φ = 636115584.

The previous prime is 2431310339. The next prime is 2431310353. The reversal of 2431310340 is 430131342.

It is a super-2 number, since 2×24313103402 = 11822539938781831200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379102 + ... + 385461.

It is an arithmetic number, because the mean of its divisors is an integer number (144502596).

Almost surely, 22431310340 is an apocalyptic number.

2431310340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2431310340 is an abundant number, since it is smaller than the sum of its proper divisors (4504814268).

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

2431310340 is a wasteful number, since it uses less digits than its factorization.

2431310340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764628 (or 764626 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2431310340 is about 49308.3191763824. The cubic root of 2431310340 is about 1344.6630333795.

Adding to 2431310340 its reverse (430131342), we get a palindrome (2861441682).

The spelling of 2431310340 in words is "two billion, four hundred thirty-one million, three hundred ten thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 53 60 106 159 212 265 318 530 636 795 1060 1590 3180 764563 1529126 2293689 3058252 3822815 4587378 7645630 9174756 11468445 15291260 22936890 40521839 45873780 81043678 121565517 162087356 202609195 243131034 405218390 486262068 607827585 810436780 1215655170 2431310340