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28948708 = 2216374421
BaseRepresentation
bin110111001101…
…1100011100100
32000110202011101
41232123203210
524402324313
62512245444
7501026365
oct156334344
960422141
1028948708
1115382658
129840884
135cc7619
143bb7b6c
15281c5dd
hex1b9b8e4

28948708 has 12 divisors (see below), whose sum is σ = 50702652. Its totient is φ = 14462240.

The previous prime is 28948691. The next prime is 28948727. The reversal of 28948708 is 80784982.

It can be written as a sum of positive squares in 2 ways, for example, as 10903204 + 18045504 = 3302^2 + 4248^2 .

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, 4338 + ... + 8758.

It is an arithmetic number, because the mean of its divisors is an integer number (4225221).

Almost surely, 228948708 is an apocalyptic number.

It is an amenable number.

28948708 is a deficient number, since it is larger than the sum of its proper divisors (21753944).

28948708 is a wasteful number, since it uses less digits than its factorization.

28948708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6062 (or 6060 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 28948708 is about 5380.4003568508. The cubic root of 28948708 is about 307.0504431749.

The spelling of 28948708 in words is "twenty-eight million, nine hundred forty-eight thousand, seven hundred eight".

Divisors: 1 2 4 1637 3274 4421 6548 8842 17684 7237177 14474354 28948708