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120275089 = 1129972
BaseRepresentation
bin1110010101101…
…00000010010001
322101022121101221
413022310002101
5221242300324
615533525041
72660215144
oct712640221
9271277357
10120275089
116198a500
1234343781
131bbc21bc
1411d8c05b
15a85c0e4
hex72b4091

120275089 has 9 divisors (see below), whose sum is σ = 132335931. Its totient is φ = 109231320.

The previous prime is 120275087. The next prime is 120275101. The reversal of 120275089 is 980572021.

The square root of 120275089 is 10967.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 103530625 + 16744464 = 10175^2 + 4092^2 .

It is not a de Polignac number, because 120275089 - 21 = 120275087 is a prime.

It is a super-3 number, since 3×1202750893 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

120275089 is a Rhonda number in base 12.

It is not an unprimeable number, because it can be changed into a prime (120275081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 120139 + ... + 121135.

Almost surely, 2120275089 is an apocalyptic number.

120275089 is the 10967-th square number.

120275089 is the 5484-th centered octagonal number.

It is an amenable number.

120275089 is a deficient number, since it is larger than the sum of its proper divisors (12060842).

120275089 is an frugal number, since it uses more digits than its factorization.

120275089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The cubic root of 120275089 is about 493.6190315668.

The spelling of 120275089 in words is "one hundred twenty million, two hundred seventy-five thousand, eighty-nine".

Divisors: 1 11 121 997 10967 120637 994009 10934099 120275089