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128482226 = 2176161949
BaseRepresentation
bin1111010100001…
…11101110110010
322221202120110222
413222013232302
5230342412401
620425453042
73120036515
oct752075662
9287676428
10128482226
1166585664
1237041182
13208069b2
14130c6d7c
15b42dc1b
hex7a87bb2

128482226 has 16 divisors (see below), whose sum is σ = 207408600. Its totient is φ = 59470080.

The previous prime is 128482187. The next prime is 128482231. The reversal of 128482226 is 622284821.

It is a Cunningham number, because it is equal to 113352+1.

It can be written as a sum of positive squares in 4 ways, for example, as 100020001 + 28462225 = 10001^2 + 5335^2 .

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, 28901 + ... + 33048.

Almost surely, 2128482226 is an apocalyptic number.

128482226 is a deficient number, since it is larger than the sum of its proper divisors (78926374).

128482226 is a wasteful number, since it uses less digits than its factorization.

128482226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62029.

The product of its digits is 24576, while the sum is 35.

The square root of 128482226 is about 11335.0000441112. Note that the first 4 decimals coincide. The cubic root of 128482226 is about 504.6005088129.

The spelling of 128482226 in words is "one hundred twenty-eight million, four hundred eighty-two thousand, two hundred twenty-six".

Divisors: 1 2 17 34 61 122 1037 2074 61949 123898 1053133 2106266 3778889 7557778 64241113 128482226