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493780902 = 2382296817
BaseRepresentation
bin11101011011100…
…111111110100110
31021102010200001120
4131123213332212
52002401442102
6120555234410
715144032316
oct3533477646
91242120046
10493780902
112337a999a
12119448a06
137b3b8464
1449817446
152d53a6bc
hex1d6e7fa6

493780902 has 8 divisors (see below), whose sum is σ = 987561816. Its totient is φ = 164593632.

The previous prime is 493780901. The next prime is 493780907. The reversal of 493780902 is 209087394.

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

493780902 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493780901) 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, 41148403 + ... + 41148414.

It is an arithmetic number, because the mean of its divisors is an integer number (123445227).

Almost surely, 2493780902 is an apocalyptic number.

493780902 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.

493780902 is a wasteful number, since it uses less digits than its factorization.

493780902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82296822.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 493780902 is about 22221.1813817358. The cubic root of 493780902 is about 790.3960530814.

The spelling of 493780902 in words is "four hundred ninety-three million, seven hundred eighty thousand, nine hundred two".

Divisors: 1 2 3 6 82296817 164593634 246890451 493780902