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9745249240 = 235243631231
BaseRepresentation
bin10010001001101110…
…01011001111011000
3221011011101221210001
421010313023033120
5124424240433430
64251002302344
7463332152236
oct110467131730
927134357701
109745249240
114150a36aa1
121a7b7b79b4
13bc3ca358c
146863ab956
153c083b3ca
hex244dcb3d8

9745249240 has 16 divisors (see below), whose sum is σ = 21926810880. Its totient is φ = 3898099680.

The previous prime is 9745249237. The next prime is 9745249243. The reversal of 9745249240 is 429425479.

9745249240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9745249237) and next prime (9745249243).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9745249243) 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 3 ways as a sum of consecutive naturals, for example, 121815576 + ... + 121815655.

It is an arithmetic number, because the mean of its divisors is an integer number (1370425680).

Almost surely, 29745249240 is an apocalyptic number.

It is an amenable number.

9745249240 is an abundant number, since it is smaller than the sum of its proper divisors (12181561640).

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

9745249240 is a wasteful number, since it uses less digits than its factorization.

9745249240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243631242 (or 243631238 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 9745249240 is about 98718.0289511495. The cubic root of 9745249240 is about 2135.9823036918.

The spelling of 9745249240 in words is "nine billion, seven hundred forty-five million, two hundred forty-nine thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 243631231 487262462 974524924 1218156155 1949049848 2436312310 4872624620 9745249240