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120131342 = 2471277993
BaseRepresentation
bin1110010100100…
…00111100001110
322101001022012222
413022100330032
5221223200332
615530455342
72656046102
oct712207416
9271038188
10120131342
11618a1501
1234294552
131bb71946
1411d51902
15a82e712
hex7290f0e

120131342 has 8 divisors (see below), whose sum is σ = 184031136. Its totient is φ = 58787632.

The previous prime is 120131279. The next prime is 120131383. The reversal of 120131342 is 243131021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 120131342.

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 3 ways as a sum of consecutive naturals, for example, 638903 + ... + 639090.

It is an arithmetic number, because the mean of its divisors is an integer number (23003892).

Almost surely, 2120131342 is an apocalyptic number.

120131342 is a deficient number, since it is larger than the sum of its proper divisors (63899794).

120131342 is a wasteful number, since it uses less digits than its factorization.

120131342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278042.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 120131342 is about 10960.4444252959. Note that the first 4 decimals coincide. The cubic root of 120131342 is about 493.4223032664.

Adding to 120131342 its reverse (243131021), we get a palindrome (363262363).

The spelling of 120131342 in words is "one hundred twenty million, one hundred thirty-one thousand, three hundred forty-two".

Divisors: 1 2 47 94 1277993 2555986 60065671 120131342