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1128226252 = 221562918047
BaseRepresentation
bin100001100111111…
…0101110111001100
32220121221211110111
41003033311313030
54302311220002
6303541445404
736646523236
oct10317656714
92817854414
101128226252
1152994409a
12275a10864
1314c9844ca
14a9ba9256
15690ae3d7
hex433f5dcc

1128226252 has 12 divisors (see below), whose sum is σ = 1974631680. Its totient is φ = 564045776.

The previous prime is 1128226249. The next prime is 1128226271. The reversal of 1128226252 is 2526228211.

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, 53493 + ... + 71539.

It is an arithmetic number, because the mean of its divisors is an integer number (164552640).

Almost surely, 21128226252 is an apocalyptic number.

It is an amenable number.

1128226252 is a deficient number, since it is larger than the sum of its proper divisors (846405428).

1128226252 is a wasteful number, since it uses less digits than its factorization.

1128226252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33680 (or 33678 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 1128226252 is about 33589.0793562432. The cubic root of 1128226252 is about 1041.0351662952.

The spelling of 1128226252 in words is "one billion, one hundred twenty-eight million, two hundred twenty-six thousand, two hundred fifty-two".

Divisors: 1 2 4 15629 18047 31258 36094 62516 72188 282056563 564113126 1128226252