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1210424340 = 223520173739
BaseRepresentation
bin100100000100101…
…1001110000010100
310010100121221001010
41020021121300110
54434332034330
6320035332220
741665302636
oct11011316024
93110557033
101210424340
115712867a4
12299451070
13163a04228
14b6a84a56
15713e93b0
hex48259c14

1210424340 has 24 divisors (see below), whose sum is σ = 3389188320. Its totient is φ = 322779808.

The previous prime is 1210424321. The next prime is 1210424363. The reversal of 1210424340 is 434240121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10086810 + ... + 10086929.

It is an arithmetic number, because the mean of its divisors is an integer number (141216180).

Almost surely, 21210424340 is an apocalyptic number.

1210424340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210424340 is an abundant number, since it is smaller than the sum of its proper divisors (2178763980).

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

1210424340 is a wasteful number, since it uses less digits than its factorization.

1210424340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20173751 (or 20173749 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1210424340 is about 34791.1531858316. The cubic root of 1210424340 is about 1065.7267890544.

Adding to 1210424340 its reverse (434240121), we get a palindrome (1644664461).

The spelling of 1210424340 in words is "one billion, two hundred ten million, four hundred twenty-four thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 20173739 40347478 60521217 80694956 100868695 121042434 201737390 242084868 302606085 403474780 605212170 1210424340