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120330242 = 260165121
BaseRepresentation
bin1110010110000…
…01100000000010
322101102102001122
413023001200002
5221301031432
615535032242
72660535014
oct713014002
9271372048
10120330242
1161a1798a
123436b682
131bc11336
1411da41b4
15a86d612
hex72c1802

120330242 has 4 divisors (see below), whose sum is σ = 180495366. Its totient is φ = 60165120.

The previous prime is 120330241. The next prime is 120330281. The reversal of 120330242 is 242033021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242033021 = 376541433.

It can be written as a sum of positive squares in only one way, i.e., 73119601 + 47210641 = 8551^2 + 6871^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120330242.

It is not an unprimeable number, because it can be changed into a prime (120330241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30082559 + ... + 30082562.

Almost surely, 2120330242 is an apocalyptic number.

120330242 is a deficient number, since it is larger than the sum of its proper divisors (60165124).

120330242 is an equidigital number, since it uses as much as digits as its factorization.

120330242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60165123.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 120330242 is about 10969.5142098454. The cubic root of 120330242 is about 493.6944708796.

Adding to 120330242 its reverse (242033021), we get a palindrome (362363263).

The spelling of 120330242 in words is "one hundred twenty million, three hundred thirty thousand, two hundred forty-two".

Divisors: 1 2 60165121 120330242