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120245217 = 3115334763
BaseRepresentation
bin1110010101011…
…00101111100001
322101021002102120
413022230233201
5221240321332
615533134453
72660032101
oct712545741
9271232376
10120245217
116196a014
123432a429
131bbb1721
1411d81201
15a85332c
hex72acbe1

120245217 has 8 divisors (see below), whose sum is σ = 160470624. Its totient is φ = 80091648.

The previous prime is 120245197. The next prime is 120245261. The reversal of 120245217 is 712542021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120245217 - 211 = 120243169 is a prime.

It is a super-2 number, since 2×1202452172 = 28917824422754178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120245297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13923 + ... + 20840.

It is an arithmetic number, because the mean of its divisors is an integer number (20058828).

Almost surely, 2120245217 is an apocalyptic number.

It is an amenable number.

120245217 is a deficient number, since it is larger than the sum of its proper divisors (40225407).

120245217 is a wasteful number, since it uses less digits than its factorization.

120245217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35919.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 120245217 is about 10965.6380115340. The cubic root of 120245217 is about 493.5781624538.

Adding to 120245217 its reverse (712542021), we get a palindrome (832787238).

The spelling of 120245217 in words is "one hundred twenty million, two hundred forty-five thousand, two hundred seventeen".

Divisors: 1 3 1153 3459 34763 104289 40081739 120245217