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5487131500 = 225313183773
BaseRepresentation
bin1010001110000111…
…01111101101101100
3112011102000011100121
411013003233231230
542214201202000
62304252134324
7252655563634
oct50703575554
915142004317
105487131500
112366385124
1210917673a4
13695a59596
143a0a676c4
15221acbb1a
hex1470efb6c

5487131500 has 48 divisors (see below), whose sum is σ = 12075519456. Its totient is φ = 2178072000.

The previous prime is 5487131453. The next prime is 5487131501. The reversal of 5487131500 is 51317845.

It is a happy number.

It is a super-2 number, since 2×54871315002 = 60217224196584500000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5487131501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23614 + ... + 107386.

It is an arithmetic number, because the mean of its divisors is an integer number (251573322).

Almost surely, 25487131500 is an apocalyptic number.

5487131500 is a gapful number since it is divisible by the number (50) 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 5487131500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6037759728).

5487131500 is an abundant number, since it is smaller than the sum of its proper divisors (6588387956).

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

5487131500 is a wasteful number, since it uses less digits than its factorization.

5487131500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83923 (or 83911 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 5487131500 is about 74075.1746538609. The cubic root of 5487131500 is about 1763.7964172032.

The spelling of 5487131500 in words is "five billion, four hundred eighty-seven million, one hundred thirty-one thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 131 250 262 500 524 655 1310 2620 3275 6550 13100 16375 32750 65500 83773 167546 335092 418865 837730 1675460 2094325 4188650 8377300 10471625 10974263 20943250 21948526 41886500 43897052 54871315 109742630 219485260 274356575 548713150 1097426300 1371782875 2743565750 5487131500