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1142732166 = 23631301831
BaseRepresentation
bin100010000011100…
…1011010110000110
32221122020210211120
41010013023112012
54320014412131
6305220414410
740214030442
oct10407132606
92848223746
101142732166
11537051654
1227a847406
13152992ca4
14abaa3822
156a4c7496
hex441cb586

1142732166 has 16 divisors (see below), whose sum is σ = 2289093888. Its totient is φ = 380305800.

The previous prime is 1142732159. The next prime is 1142732179. The reversal of 1142732166 is 6612372411.

It is a super-2 number, since 2×11427321662 = 2611673606422103112, which contains 22 as substring.

It is a Curzon number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 147130 + ... + 154701.

It is an arithmetic number, because the mean of its divisors is an integer number (143068368).

Almost surely, 21142732166 is an apocalyptic number.

1142732166 is an abundant number, since it is smaller than the sum of its proper divisors (1146361722).

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

1142732166 is a wasteful number, since it uses less digits than its factorization.

1142732166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302467.

The product of its digits is 12096, while the sum is 33.

The square root of 1142732166 is about 33804.3217059594. The cubic root of 1142732166 is about 1045.4778050496.

The spelling of 1142732166 in words is "one billion, one hundred forty-two million, seven hundred thirty-two thousand, one hundred sixty-six".

Divisors: 1 2 3 6 631 1262 1893 3786 301831 603662 905493 1810986 190455361 380910722 571366083 1142732166