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8428828940 = 2257331181891
BaseRepresentation
bin1111101100110010…
…11011100100001100
3210202102022212121122
413312121123210030
5114230240011230
63512215020112
7415605602210
oct76631334414
923672285548
108428828940
113635943a34
12177296a638
13a4433965c
1459d614940
15344ea5be5
hex1f665b90c

8428828940 has 48 divisors (see below), whose sum is σ = 20290416384. Its totient is φ = 2881137600.

The previous prime is 8428828937. The next prime is 8428828949. The reversal of 8428828940 is 498288248.

It is not an unprimeable number, because it can be changed into a prime (8428828949) 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, 44606 + ... + 137285.

It is an arithmetic number, because the mean of its divisors is an integer number (422717008).

Almost surely, 28428828940 is an apocalyptic number.

It is an amenable number.

8428828940 is an abundant number, since it is smaller than the sum of its proper divisors (11861587444).

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

8428828940 is a wasteful number, since it uses less digits than its factorization.

8428828940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182238 (or 182236 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 53.

The square root of 8428828940 is about 91808.6539493963. The cubic root of 8428828940 is about 2035.1155844335.

The spelling of 8428828940 in words is "eight billion, four hundred twenty-eight million, eight hundred twenty-eight thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 331 662 1324 1655 2317 3310 4634 6620 9268 11585 23170 46340 181891 363782 727564 909455 1273237 1818910 2546474 3637820 5092948 6366185 12732370 25464740 60205921 120411842 240823684 301029605 421441447 602059210 842882894 1204118420 1685765788 2107207235 4214414470 8428828940