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120340343 = 2915726431
BaseRepresentation
bin1110010110000…
…11111101110111
322101102220220202
413023003331313
5221301342333
615535151115
72660606324
oct713037567
9271386822
10120340343
1161a24532
123437549b
131bc15b06
1411da7b4b
15a8715e8
hex72c3f77

120340343 has 8 divisors (see below), whose sum is σ = 125287680. Its totient is φ = 115446240.

The previous prime is 120340333. The next prime is 120340361. The reversal of 120340343 is 343043021.

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

It is a cyclic number.

It is not a de Polignac number, because 120340343 - 224 = 103563127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120340303) 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, 8663 + ... + 17768.

It is an arithmetic number, because the mean of its divisors is an integer number (15660960).

Almost surely, 2120340343 is an apocalyptic number.

120340343 is a deficient number, since it is larger than the sum of its proper divisors (4947337).

120340343 is a wasteful number, since it uses less digits than its factorization.

120340343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26617.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 120340343 is about 10969.9746125504. The cubic root of 120340343 is about 493.7082847201.

Adding to 120340343 its reverse (343043021), we get a palindrome (463383364).

The spelling of 120340343 in words is "one hundred twenty million, three hundred forty thousand, three hundred forty-three".

Divisors: 1 29 157 4553 26431 766499 4149667 120340343