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5248592640 = 28345233171
BaseRepresentation
bin1001110001101011…
…10010101100000000
3111112210011010120000
410320311302230000
541222114431030
62224451320000
7244031205234
oct47065625400
914483133500
105248592640
11225376a375
1210258b0000
136584ca825
1437b0d25c4
1520abad860
hex138d72b00

5248592640 has 720 divisors, whose sum is σ = 20514041856. Its totient is φ = 1277337600.

The previous prime is 5248592621. The next prime is 5248592641. The reversal of 5248592640 is 462958425.

5248592640 is a `hidden beast` number, since 52 + 4 + 8 + 592 + 6 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (5248592641) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 73923805 + ... + 73923875.

Almost surely, 25248592640 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 5248592640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10257020928).

5248592640 is an abundant number, since it is smaller than the sum of its proper divisors (15265449216).

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

5248592640 is a wasteful number, since it uses less digits than its factorization.

5248592640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 5248592640 is about 72447.1713733531. The cubic root of 5248592640 is about 1737.8580063145.

The spelling of 5248592640 in words is "five billion, two hundred forty-eight million, five hundred ninety-two thousand, six hundred forty".