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7249740252 = 223604145021
BaseRepresentation
bin1101100000001111…
…00100000111011100
3200201020122222000020
412300013210013130
5104321413142002
63155215032140
7344440526646
oct66007440734
920636588006
107249740252
113090320177
1214a3b0b650
138b6c87341
144caba9896
152c66eb2bc
hex1b01e41dc

7249740252 has 12 divisors (see below), whose sum is σ = 16916060616. Its totient is φ = 2416580080.

The previous prime is 7249740229. The next prime is 7249740269. The reversal of 7249740252 is 2520479427.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302072499 + ... + 302072522.

It is an arithmetic number, because the mean of its divisors is an integer number (1409671718).

Almost surely, 27249740252 is an apocalyptic number.

It is an amenable number.

7249740252 is an abundant number, since it is smaller than the sum of its proper divisors (9666320364).

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

7249740252 is a wasteful number, since it uses less digits than its factorization.

7249740252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604145028 (or 604145026 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 7249740252 is about 85145.4065231942. The cubic root of 7249740252 is about 1935.4152061881.

The spelling of 7249740252 in words is "seven billion, two hundred forty-nine million, seven hundred forty thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 604145021 1208290042 1812435063 2416580084 3624870126 7249740252