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120530755 = 546152291
BaseRepresentation
bin1110010111100…
…10011101000011
322101210121010001
413023302131003
5221323441010
615543220431
72662331422
oct713623503
9271717101
10120530755
11620445a4
1234447717
131bc81697
14120172b9
15a8acc3a
hex72f2743

120530755 has 8 divisors (see below), whose sum is σ = 144953424. Its totient is φ = 96213600.

The previous prime is 120530749. The next prime is 120530777. The reversal of 120530755 is 557035021.

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

It is not a de Polignac number, because 120530755 - 25 = 120530723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23841 + ... + 28450.

It is an arithmetic number, because the mean of its divisors is an integer number (18119178).

Almost surely, 2120530755 is an apocalyptic number.

120530755 is a deficient number, since it is larger than the sum of its proper divisors (24422669).

120530755 is an equidigital number, since it uses as much as digits as its factorization.

120530755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52757.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 120530755 is about 10978.6499625409. The cubic root of 120530755 is about 493.9685422553.

Adding to 120530755 its reverse (557035021), we get a palindrome (677565776).

The spelling of 120530755 in words is "one hundred twenty million, five hundred thirty thousand, seven hundred fifty-five".

Divisors: 1 5 461 2305 52291 261455 24106151 120530755