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120376705 = 524075341
BaseRepresentation
bin1110010110011…
…00110110000001
322101111202210111
413023030312001
5221304023310
615540031321
72661120331
oct713146601
9271452714
10120376705
1161a49889
1234392541
131bc29527
1411db70c1
15a87c28a
hex72ccd81

120376705 has 4 divisors (see below), whose sum is σ = 144452052. Its totient is φ = 96301360.

The previous prime is 120376703. The next prime is 120376717. The reversal of 120376705 is 507673021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12362256 + 108014449 = 3516^2 + 10393^2 .

It is not a de Polignac number, because 120376705 - 21 = 120376703 is a prime.

It is a super-2 number, since 2×1203767052 = 28981102213314050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120376703) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12037666 + ... + 12037675.

It is an arithmetic number, because the mean of its divisors is an integer number (36113013).

Almost surely, 2120376705 is an apocalyptic number.

It is an amenable number.

120376705 is a deficient number, since it is larger than the sum of its proper divisors (24075347).

120376705 is an equidigital number, since it uses as much as digits as its factorization.

120376705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24075346.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 120376705 is about 10971.6318294044. The cubic root of 120376705 is about 493.7580059590.

The spelling of 120376705 in words is "one hundred twenty million, three hundred seventy-six thousand, seven hundred five".

Divisors: 1 5 24075341 120376705