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120349149 = 340116383
BaseRepresentation
bin1110010110001…
…10000111011101
322101110100222220
413023012013131
5221302133044
615535255553
72660644104
oct713060735
9271410886
10120349149
1161a30108
123437a5b9
131bc19b1b
1411dab03b
15a874019
hex72c61dd

120349149 has 4 divisors (see below), whose sum is σ = 160465536. Its totient is φ = 80232764.

The previous prime is 120349139. The next prime is 120349183. The reversal of 120349149 is 941943021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120349149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120349139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20058189 + ... + 20058194.

It is an arithmetic number, because the mean of its divisors is an integer number (40116384).

Almost surely, 2120349149 is an apocalyptic number.

It is an amenable number.

120349149 is a deficient number, since it is larger than the sum of its proper divisors (40116387).

120349149 is an equidigital number, since it uses as much as digits as its factorization.

120349149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40116386.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 120349149 is about 10970.3759735025. The cubic root of 120349149 is about 493.7203269248.

The spelling of 120349149 in words is "one hundred twenty million, three hundred forty-nine thousand, one hundred forty-nine".

Divisors: 1 3 40116383 120349149