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9272475648 = 2143517137
BaseRepresentation
bin10001010001010111…
…01100000000000000
3212221012210120100000
420220223230000000
5122442223210043
64132033200000
7445531512462
oct105053540000
925835716300
109272475648
113a29086217
121969400000
13b4a061ba7
1463d6a2132
153940a02d3
hex228aec000

9272475648 has 360 divisors, whose sum is σ = 29627134992. Its totient is φ = 2887778304.

The previous prime is 9272475643. The next prime is 9272475649. The reversal of 9272475648 is 8465742729.

9272475648 is a `hidden beast` number, since 9 + 2 + 72 + 4 + 7 + 564 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 9272475594 and 9272475603.

It is not an unprimeable number, because it can be changed into a prime (9272475643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67682236 + ... + 67682372.

Almost surely, 29272475648 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 9272475648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14813567496).

9272475648 is an abundant number, since it is smaller than the sum of its proper divisors (20354659344).

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

9272475648 is an equidigital number, since it uses as much as digits as its factorization.

9272475648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 159 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The square root of 9272475648 is about 96293.6947468525. The cubic root of 9272475648 is about 2100.8670378907.

The spelling of 9272475648 in words is "nine billion, two hundred seventy-two million, four hundred seventy-five thousand, six hundred forty-eight".