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9725404752 = 2433721924181
BaseRepresentation
bin10010000111010110…
…11110011001010000
3221002210001202021000
421003223132121100
5124404200423002
64245013102000
7463001401500
oct110353363120
927083052230
109725404752
114140812598
121a75027900
13bbcb45b8b
146838c3a00
153bdc1b61c
hex243ade650

9725404752 has 240 divisors, whose sum is σ = 34183675200. Its totient is φ = 2632331520.

The previous prime is 9725404751. The next prime is 9725404763. The reversal of 9725404752 is 2574045279.

It is a junction number, because it is equal to n+sod(n) for n = 9725404698 and 9725404707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9725404751) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 390102 + ... + 414282.

It is an arithmetic number, because the mean of its divisors is an integer number (142431980).

Almost surely, 29725404752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9725404752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17091837600).

9725404752 is an abundant number, since it is smaller than the sum of its proper divisors (24458270448).

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

9725404752 is a wasteful number, since it uses less digits than its factorization.

9725404752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24231 (or 24212 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 9725404752 is about 98617.4667693305. The cubic root of 9725404752 is about 2134.5314675530.

The spelling of 9725404752 in words is "nine billion, seven hundred twenty-five million, four hundred four thousand, seven hundred fifty-two".