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492888293 = 1728993429
BaseRepresentation
bin11101011000001…
…110000011100101
31021100110022121222
4131120032003211
52002134411133
6120524150125
715133324052
oct3530160345
91240408558
10492888293
1123324a2a7
12119098345
137b1650a1
1449664029
152d410e98
hex1d60e0e5

492888293 has 4 divisors (see below), whose sum is σ = 521881740. Its totient is φ = 463894848.

The previous prime is 492888283. The next prime is 492888307. The reversal of 492888293 is 392888294.

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

It can be written as a sum of positive squares in 2 ways, for example, as 150749284 + 342139009 = 12278^2 + 18497^2 .

It is a cyclic number.

It is not a de Polignac number, because 492888293 - 220 = 491839717 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 (492888223) 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, 14496698 + ... + 14496731.

It is an arithmetic number, because the mean of its divisors is an integer number (130470435).

Almost surely, 2492888293 is an apocalyptic number.

It is an amenable number.

492888293 is a deficient number, since it is larger than the sum of its proper divisors (28993447).

492888293 is a wasteful number, since it uses less digits than its factorization.

492888293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28993446.

The product of its digits is 1990656, while the sum is 53.

The square root of 492888293 is about 22201.0876535363. The cubic root of 492888293 is about 789.9194988206.

Subtracting from 492888293 its reverse (392888294), we obtain a palindrome (99999999).

The spelling of 492888293 in words is "four hundred ninety-two million, eight hundred eighty-eight thousand, two hundred ninety-three".

Divisors: 1 17 28993429 492888293