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8290248680 = 235729608031
BaseRepresentation
bin1111011100010001…
…10010011111101000
3210101202120021020102
413232020302133220
5113434300424210
63450344444532
7412303644140
oct75610623750
923352507212
108290248680
1135746a159a
121734479748
13a217085bc
1458905d920
15337c2eea5
hex1ee2327e8

8290248680 has 32 divisors (see below), whose sum is σ = 21317783040. Its totient is φ = 2842370880.

The previous prime is 8290248677. The next prime is 8290248709. The reversal of 8290248680 is 868420928.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14803736 + ... + 14804295.

It is an arithmetic number, because the mean of its divisors is an integer number (666180720).

Almost surely, 28290248680 is an apocalyptic number.

It is an amenable number.

8290248680 is an abundant number, since it is smaller than the sum of its proper divisors (13027534360).

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

8290248680 is a wasteful number, since it uses less digits than its factorization.

8290248680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29608049 (or 29608045 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The square root of 8290248680 is about 91050.8027422054. The cubic root of 8290248680 is about 2023.9006321414.

It can be divided in two parts, 8290248 and 680, that added together give a palindrome (8290928).

The spelling of 8290248680 in words is "eight billion, two hundred ninety million, two hundred forty-eight thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 29608031 59216062 118432124 148040155 207256217 236864248 296080310 414512434 592160620 829024868 1036281085 1184321240 1658049736 2072562170 4145124340 8290248680