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2427321240 = 233256742559
BaseRepresentation
bin1001000010101101…
…1111101110011000
320021011102200202200
42100223133232120
514432343234430
61040505530200
7114102614211
oct22053375630
96234380680
102427321240
111036183413
12578aa3960
132c8b63576
14190532408
15e3171460
hex90adfb98

2427321240 has 48 divisors (see below), whose sum is σ = 7888795200. Its totient is φ = 647285568.

The previous prime is 2427321229. The next prime is 2427321241. The reversal of 2427321240 is 421237242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2427321241) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3370920 + ... + 3371639.

It is an arithmetic number, because the mean of its divisors is an integer number (164349900).

Almost surely, 22427321240 is an apocalyptic number.

2427321240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2427321240 is an abundant number, since it is smaller than the sum of its proper divisors (5461473960).

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

2427321240 is a wasteful number, since it uses less digits than its factorization.

2427321240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6742576 (or 6742569 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 2427321240 is about 49267.8519929578. The cubic root of 2427321240 is about 1343.9272255450.

Adding to 2427321240 its reverse (421237242), we get a palindrome (2848558482).

The spelling of 2427321240 in words is "two billion, four hundred twenty-seven million, three hundred twenty-one thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 6742559 13485118 20227677 26970236 33712795 40455354 53940472 60683031 67425590 80910708 101138385 121366062 134851180 161821416 202276770 242732124 269702360 303415155 404553540 485464248 606830310 809107080 1213660620 2427321240