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28460022260 = 2251423001113
BaseRepresentation
bin11010100000010110…
…010111100111110100
32201110102112221001112
4122200112113213310
5431241231203020
621024021014152
72025160124555
oct324026274764
981412487045
1028460022260
1111084a38a5a
125623254358
1328b7316477
14153dada32c
15b188342c5
hex6a05979f4

28460022260 has 12 divisors (see below), whose sum is σ = 59766046788. Its totient is φ = 11384008896.

The previous prime is 28460022257. The next prime is 28460022307. The reversal of 28460022260 is 6222006482.

It can be written as a sum of positive squares in 2 ways, for example, as 17519699044 + 10940323216 = 132362^2 + 104596^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711500537 + ... + 711500576.

It is an arithmetic number, because the mean of its divisors is an integer number (4980503899).

Almost surely, 228460022260 is an apocalyptic number.

28460022260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28460022260 is an abundant number, since it is smaller than the sum of its proper divisors (31306024528).

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

28460022260 is a wasteful number, since it uses less digits than its factorization.

28460022260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423001122 (or 1423001120 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 28460022260 in words is "twenty-eight billion, four hundred sixty million, twenty-two thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 1423001113 2846002226 5692004452 7115005565 14230011130 28460022260