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120069 = 334447
BaseRepresentation
bin11101010100000101
320002201000
4131110011
512320234
62323513
71010025
oct352405
9202630
10120069
1182234
1259599
1342861
1431a85
1525899
hex1d505

120069 has 8 divisors (see below), whose sum is σ = 177920. Its totient is φ = 80028.

The previous prime is 120067. The next prime is 120077. The reversal of 120069 is 960021.

It is not a de Polignac number, because 120069 - 21 = 120067 is a prime.

It is a super-2 number, since 2×1200692 = 28833129522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2197 + ... + 2250.

It is an arithmetic number, because the mean of its divisors is an integer number (22240).

2120069 is an apocalyptic number.

It is an amenable number.

120069 is a deficient number, since it is larger than the sum of its proper divisors (57851).

120069 is an equidigital number, since it uses as much as digits as its factorization.

120069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4456 (or 4450 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 120069 is about 346.5097401228. The cubic root of 120069 is about 49.3336934882. Note that the first 3 decimals are identical.

The spelling of 120069 in words is "one hundred twenty thousand, sixty-nine".

Divisors: 1 3 9 27 4447 13341 40023 120069