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1125028578 = 232328328807
BaseRepresentation
bin100001100001110…
…1001001011100010
32220101221101002010
41003003221023202
54301001403303
6303345133350
736610404462
oct10303511342
92811841063
101125028578
1152805a693
1227492a256
1314c104bab
14a95b5ba2
1568b7bc03
hex430e92e2

1125028578 has 32 divisors (see below), whose sum is σ = 2356263936. Its totient is φ = 357424848.

The previous prime is 1125028543. The next prime is 1125028603. The reversal of 1125028578 is 8758205211.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24651 + ... + 53457.

It is an arithmetic number, because the mean of its divisors is an integer number (73633248).

Almost surely, 21125028578 is an apocalyptic number.

1125028578 is an abundant number, since it is smaller than the sum of its proper divisors (1231235358).

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

1125028578 is a wasteful number, since it uses less digits than its factorization.

1125028578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29118.

The product of its (nonzero) digits is 44800, while the sum is 39.

The square root of 1125028578 is about 33541.4456754625. The cubic root of 1125028578 is about 1040.0507180640.

The spelling of 1125028578 in words is "one billion, one hundred twenty-five million, twenty-eight thousand, five hundred seventy-eight".

Divisors: 1 2 3 6 23 46 69 138 283 566 849 1698 6509 13018 19527 28807 39054 57614 86421 172842 662561 1325122 1987683 3975366 8152381 16304762 24457143 48914286 187504763 375009526 562514289 1125028578