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120520542 = 2320086757
BaseRepresentation
bin1110010111011…
…11111101011110
322101210002002210
413023233331132
5221323124132
615543101250
72662256562
oct713577536
9271702083
10120520542
116203795a
1234441826
131bc79b3c
14120136a2
15a8a9bcc
hex72eff5e

120520542 has 8 divisors (see below), whose sum is σ = 241041096. Its totient is φ = 40173512.

The previous prime is 120520541. The next prime is 120520559. The reversal of 120520542 is 245025021.

It is a happy number.

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

120520542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120520541) 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, 10043373 + ... + 10043384.

It is an arithmetic number, because the mean of its divisors is an integer number (30130137).

Almost surely, 2120520542 is an apocalyptic number.

120520542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120520542 is a wasteful number, since it uses less digits than its factorization.

120520542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20086762.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 120520542 is about 10978.1848226380. The cubic root of 120520542 is about 493.9545899568.

Adding to 120520542 its reverse (245025021), we get a palindrome (365545563).

The spelling of 120520542 in words is "one hundred twenty million, five hundred twenty thousand, five hundred forty-two".

Divisors: 1 2 3 6 20086757 40173514 60260271 120520542