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8724263040 = 273253148859
BaseRepresentation
bin10000010000000000…
…11011000010000000
3211112000020111000100
420020000123002000
5120331402404130
64001411122400
7426124004133
oct101000330200
924460214010
108724263040
113777689a49
1218358a3400
13a905c912c
145ca95a21a
15360db1c60
hex20801b080

8724263040 has 192 divisors, whose sum is σ = 31098412800. Its totient is φ = 2251376640.

The previous prime is 8724263039. The next prime is 8724263047. The reversal of 8724263040 is 403624278.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×87242630402 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8724262986 and 8724263004.

It is not an unprimeable number, because it can be changed into a prime (8724263047) 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 23 ways as a sum of consecutive naturals, for example, 154131 + ... + 202989.

It is an arithmetic number, because the mean of its divisors is an integer number (161970900).

Almost surely, 28724263040 is an apocalyptic number.

8724263040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8724263040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15549206400).

8724263040 is an abundant number, since it is smaller than the sum of its proper divisors (22374149760).

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

8724263040 is a wasteful number, since it uses less digits than its factorization.

8724263040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48915 (or 48900 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 8724263040 is about 93403.7635216055. The cubic root of 8724263040 is about 2058.6202971142.

The spelling of 8724263040 in words is "eight billion, seven hundred twenty-four million, two hundred sixty-three thousand, forty".