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120221242 = 274118111
BaseRepresentation
bin1110010101001…
…10111000111010
322101012212112121
413022212320322
5221234034432
615532431454
72656602151
oct712467072
9271185477
10120221242
1161952aa9
123431858a
131bba383b
1411d76598
15a84b197
hex72a6e3a

120221242 has 8 divisors (see below), whose sum is σ = 180378432. Its totient is φ = 60095100.

The previous prime is 120221237. The next prime is 120221261. The reversal of 120221242 is 242122021.

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

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, 10767 + ... + 18877.

It is an arithmetic number, because the mean of its divisors is an integer number (22547304).

Almost surely, 2120221242 is an apocalyptic number.

120221242 is a deficient number, since it is larger than the sum of its proper divisors (60157190).

120221242 is an equidigital number, since it uses as much as digits as its factorization.

120221242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15524.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 120221242 is about 10964.5447693919. The cubic root of 120221242 is about 493.5453563728.

Adding to 120221242 its reverse (242122021), we get a palindrome (362343263).

The spelling of 120221242 in words is "one hundred twenty million, two hundred twenty-one thousand, two hundred forty-two".

Divisors: 1 2 7411 8111 14822 16222 60110621 120221242