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8315350540 = 2257232582407
BaseRepresentation
bin1111011111010001…
…00010111000001100
3210110111210120111221
413233220202320030
5114012212204130
63453042453124
7413030212330
oct75750427014
923414716457
108315350540
113587886a32
1217409641a4
13a26986c83
1458c5157c0
1533a03c87a
hex1efa22e0c

8315350540 has 48 divisors (see below), whose sum is σ = 20824538112. Its totient is φ = 2727020736.

The previous prime is 8315350531. The next prime is 8315350541. The reversal of 8315350540 is 450535138.

It is a junction number, because it is equal to n+sod(n) for n = 8315350496 and 8315350505.

It is not an unprimeable number, because it can be changed into a prime (8315350541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1287984 + ... + 1294423.

It is an arithmetic number, because the mean of its divisors is an integer number (433844544).

Almost surely, 28315350540 is an apocalyptic number.

It is an amenable number.

8315350540 is an abundant number, since it is smaller than the sum of its proper divisors (12509187572).

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

8315350540 is a wasteful number, since it uses less digits than its factorization.

8315350540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582446 (or 2582444 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 8315350540 is about 91188.5439076642. The cubic root of 8315350540 is about 2025.9412818490.

Adding to 8315350540 its reverse (450535138), we get a palindrome (8765885678).

The spelling of 8315350540 in words is "eight billion, three hundred fifteen million, three hundred fifty thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 70 92 115 140 161 230 322 460 644 805 1610 3220 2582407 5164814 10329628 12912035 18076849 25824070 36153698 51648140 59395361 72307396 90384245 118790722 180768490 237581444 296976805 361536980 415767527 593953610 831535054 1187907220 1663070108 2078837635 4157675270 8315350540