Search a number
-
+
120243056 = 2479251379
BaseRepresentation
bin1110010101011…
…00001101110000
322101020222110112
413022230031300
5221240234211
615533120452
72660022563
oct712541560
9271228415
10120243056
116196842a
1234329128
131bbb074b
1411d804da
15a85288b
hex72ac370

120243056 has 40 divisors (see below), whose sum is σ = 237484800. Its totient is φ = 58968000.

The previous prime is 120243031. The next prime is 120243107. The reversal of 120243056 is 650342021.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 317075 + ... + 317453.

It is an arithmetic number, because the mean of its divisors is an integer number (5937120).

Almost surely, 2120243056 is an apocalyptic number.

120243056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

120243056 is a deficient number, since it is larger than the sum of its proper divisors (117241744).

120243056 is a wasteful number, since it uses less digits than its factorization.

120243056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 120243056 is about 10965.5394760130. The cubic root of 120243056 is about 493.5752056382.

Adding to 120243056 its reverse (650342021), we get a palindrome (770585077).

The spelling of 120243056 in words is "one hundred twenty million, two hundred forty-three thousand, fifty-six".

Divisors: 1 2 4 8 16 79 158 251 316 379 502 632 758 1004 1264 1516 2008 3032 4016 6064 19829 29941 39658 59882 79316 95129 119764 158632 190258 239528 317264 380516 479056 761032 1522064 7515191 15030382 30060764 60121528 120243056