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58142320 = 245726779
BaseRepresentation
bin1101110111001…
…0111001110000
311001101221021021
43131302321300
5104341023240
65434105224
71304126065
oct335627160
9131357237
1058142320
112a902205
121757b214
13c079552
147a16c6c
15518754a
hex3772e70

58142320 has 20 divisors (see below), whose sum is σ = 135181080. Its totient is φ = 23256896.

The previous prime is 58142311. The next prime is 58142323. The reversal of 58142320 is 2324185.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58142323) 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, 363310 + ... + 363469.

It is an arithmetic number, because the mean of its divisors is an integer number (6759054).

Almost surely, 258142320 is an apocalyptic number.

It is an amenable number.

58142320 is an abundant number, since it is smaller than the sum of its proper divisors (77038760).

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

58142320 is a wasteful number, since it uses less digits than its factorization.

58142320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726792 (or 726786 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 58142320 is about 7625.1111467309. Note that the first 4 decimals coincide. The cubic root of 58142320 is about 387.4040164628.

The spelling of 58142320 in words is "fifty-eight million, one hundred forty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 726779 1453558 2907116 3633895 5814232 7267790 11628464 14535580 29071160 58142320