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8859497472 = 21034715259
BaseRepresentation
bin10000100000001000…
…10011010000000000
3211212102201002210000
420100010103100000
5121121012404342
64023041440000
7432355325460
oct102004232000
924772632700
108859497472
113836a56641
121873040000
13ab26282c7
146008bdba0
1536cbc644c
hex210113400

8859497472 has 220 divisors, whose sum is σ = 30237628960. Its totient is φ = 2531119104.

The previous prime is 8859497459. The next prime is 8859497473. The reversal of 8859497472 is 2747949588.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8859497473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 572979 + ... + 588237.

It is an arithmetic number, because the mean of its divisors is an integer number (137443768).

Almost surely, 28859497472 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 8859497472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15118814480).

8859497472 is an abundant number, since it is smaller than the sum of its proper divisors (21378131488).

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

8859497472 is a wasteful number, since it uses less digits than its factorization.

8859497472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15298 (or 15271 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 63.

The square root of 8859497472 is about 94124.9035696717. The cubic root of 8859497472 is about 2069.2026670839.

The spelling of 8859497472 in words is "eight billion, eight hundred fifty-nine million, four hundred ninety-seven thousand, four hundred seventy-two".