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8242346140 = 2257157374993
BaseRepresentation
bin1111010110100100…
…00011100010011100
3210021102102120022021
413223102003202130
5113340020034030
63441514025524
7411152533450
oct75322034234
923242376267
108242346140
11354a653716
1217204182a4
13a14805ac2
14582950660
1533391b97a
hex1eb48389c

8242346140 has 48 divisors (see below), whose sum is σ = 19907681472. Its totient is φ = 2807940096.

The previous prime is 8242346137. The next prime is 8242346141. The reversal of 8242346140 is 416432428.

It is a junction number, because it is equal to n+sod(n) for n = 8242346096 and 8242346105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8242346141) 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, 165517 + ... + 209476.

It is an arithmetic number, because the mean of its divisors is an integer number (414743364).

Almost surely, 28242346140 is an apocalyptic number.

It is an amenable number.

8242346140 is an abundant number, since it is smaller than the sum of its proper divisors (11665335332).

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

8242346140 is a wasteful number, since it uses less digits than its factorization.

8242346140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375166 (or 375164 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 8242346140 is about 90787.3677336225. The cubic root of 8242346140 is about 2019.9949465612.

Adding to 8242346140 its reverse (416432428), we get a palindrome (8658778568).

The spelling of 8242346140 in words is "eight billion, two hundred forty-two million, three hundred forty-six thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 157 314 628 785 1099 1570 2198 3140 4396 5495 10990 21980 374993 749986 1499972 1874965 2624951 3749930 5249902 7499860 10499804 13124755 26249510 52499020 58873901 117747802 235495604 294369505 412117307 588739010 824234614 1177478020 1648469228 2060586535 4121173070 8242346140