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493707239 = 1792758141
BaseRepresentation
bin11101011011010…
…101111111100111
31021101222221000022
4131123111333213
52002342112424
6120553505355
715143304464
oct3533257747
91241887008
10493707239
11233759613
1211941225b
137b390a7c
14497d866b
152d52395e
hex1d6d5fe7

493707239 has 4 divisors (see below), whose sum is σ = 496465560. Its totient is φ = 490948920.

The previous prime is 493707197. The next prime is 493707241. The reversal of 493707239 is 932707394.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 493707239 - 212 = 493703143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 493707239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493707139) 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, 1378892 + ... + 1379249.

It is an arithmetic number, because the mean of its divisors is an integer number (124116390).

Almost surely, 2493707239 is an apocalyptic number.

493707239 is a deficient number, since it is larger than the sum of its proper divisors (2758321).

493707239 is a wasteful number, since it uses less digits than its factorization.

493707239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758320.

The product of its (nonzero) digits is 285768, while the sum is 44.

The square root of 493707239 is about 22219.5238247808. The cubic root of 493707239 is about 790.3567469575.

The spelling of 493707239 in words is "four hundred ninety-three million, seven hundred seven thousand, two hundred thirty-nine".

Divisors: 1 179 2758141 493707239