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8410000840 = 2353710495417
BaseRepresentation
bin1111101010100011…
…00110110111001000
3210201002220022022121
413311101212313020
5114210430011330
63510303301024
7415256553613
oct76521466710
923632808277
108410000840
11362625411a
1217685aa774
13a40476777
1459ad1317a
153434d717a
hex1f5466dc8

8410000840 has 64 divisors (see below), whose sum is σ = 19456038000. Its totient is φ = 3269357568.

The previous prime is 8410000801. The next prime is 8410000847. The reversal of 8410000840 is 480000148.

It can be written as a sum of positive squares in 8 ways, for example, as 5417254404 + 2992746436 = 73602^2 + 54706^2 .

It is a super-2 number, since 2×84100008402 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8410000847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1549812 + ... + 1555228.

Almost surely, 28410000840 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 8410000840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9728019000).

8410000840 is an abundant number, since it is smaller than the sum of its proper divisors (11046037160).

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

8410000840 is a wasteful number, since it uses less digits than its factorization.

8410000840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6514 (or 6510 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 8410000840 is about 91706.0567247333. The cubic root of 8410000840 is about 2033.5991252179.

Adding to 8410000840 its reverse (480000148), we get a palindrome (8890000988).

The spelling of 8410000840 in words is "eight billion, four hundred ten million, eight hundred forty", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 20 37 40 74 148 185 296 370 740 1049 1480 2098 4196 5245 5417 8392 10490 10834 20980 21668 27085 38813 41960 43336 54170 77626 108340 155252 194065 200429 216680 310504 388130 400858 776260 801716 1002145 1552520 1603432 2004290 4008580 5682433 8017160 11364866 22729732 28412165 45459464 56824330 113648660 210250021 227297320 420500042 841000084 1051250105 1682000168 2102500210 4205000420 8410000840