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120344111 = 472157347
BaseRepresentation
bin1110010110001…
…00111000101111
322101110010002022
413023010320233
5221302002421
615535220355
72660623316
oct713047057
9271403068
10120344111
1161a27348
12343776bb
131bc17744
1411da927d
15a8727ab
hex72c4e2f

120344111 has 12 divisors (see below), whose sum is σ = 124098888. Its totient is φ = 116696112.

The previous prime is 120344101. The next prime is 120344149. The reversal of 120344111 is 111443021.

It is a happy number.

It is not a de Polignac number, because 120344111 - 26 = 120344047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120344111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120344101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346640 + ... + 346986.

It is an arithmetic number, because the mean of its divisors is an integer number (10341574).

Almost surely, 2120344111 is an apocalyptic number.

120344111 is a deficient number, since it is larger than the sum of its proper divisors (3754777).

120344111 is an equidigital number, since it uses as much as digits as its factorization.

120344111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 120344111 is about 10970.1463527156. The cubic root of 120344111 is about 493.7134375319.

Adding to 120344111 its reverse (111443021), we get a palindrome (231787132).

The spelling of 120344111 in words is "one hundred twenty million, three hundred forty-four thousand, one hundred eleven".

Divisors: 1 47 157 347 2209 7379 16309 54479 346813 766523 2560513 120344111