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120245330 = 2537931727
BaseRepresentation
bin1110010101011…
…00110001010010
322101021002120202
413022230301102
5221240322310
615533135202
72660032322
oct712546122
9271232522
10120245330
116196a107
123432a502
131bbb17aa
1411d81282
15a8533a5
hex72acc52

120245330 has 16 divisors (see below), whose sum is σ = 217019520. Its totient is φ = 47969712.

The previous prime is 120245327. The next prime is 120245353. The reversal of 120245330 is 33542021.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 12074 + ... + 19653.

It is an arithmetic number, because the mean of its divisors is an integer number (13563720).

Almost surely, 2120245330 is an apocalyptic number.

120245330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120245330 is a deficient number, since it is larger than the sum of its proper divisors (96774190).

120245330 is a wasteful number, since it uses less digits than its factorization.

120245330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32113.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 120245330 is about 10965.6431639918. The cubic root of 120245330 is about 493.5783170665.

Adding to 120245330 its reverse (33542021), we get a palindrome (153787351).

The spelling of 120245330 in words is "one hundred twenty million, two hundred forty-five thousand, three hundred thirty".

Divisors: 1 2 5 10 379 758 1895 3790 31727 63454 158635 317270 12024533 24049066 60122665 120245330