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492478093 = 23831072411
BaseRepresentation
bin11101010110101…
…001111010001101
31021022200110221101
4131112221322031
52002033244333
6120511303101
715126665122
oct3526517215
91238613841
10492478093
11232a9a098
12118b1aa91
137b050473
1449598749
152d37e67d
hex1d5a9e8d

492478093 has 16 divisors (see below), whose sum is σ = 525159936. Its totient is φ = 460849840.

The previous prime is 492477989. The next prime is 492478099. The reversal of 492478093 is 390874294.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 492478093 - 221 = 490380941 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 (492478099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203058 + ... + 205468.

It is an arithmetic number, because the mean of its divisors is an integer number (32822496).

Almost surely, 2492478093 is an apocalyptic number.

It is an amenable number.

492478093 is a deficient number, since it is larger than the sum of its proper divisors (32681843).

492478093 is a wasteful number, since it uses less digits than its factorization.

492478093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 492478093 is about 22191.8474445009. The cubic root of 492478093 is about 789.7003045237.

The spelling of 492478093 in words is "four hundred ninety-two million, four hundred seventy-eight thousand, ninety-three".

Divisors: 1 23 83 107 1909 2411 2461 8881 55453 200113 204263 257977 4602599 5933471 21412091 492478093