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492886290 = 235135872153
BaseRepresentation
bin11101011000001…
…101100100010010
31021100110012212210
4131120031210102
52002134330130
6120524132550
715133315161
oct3530154422
91240405783
10492886290
11233248846
12119097156
137b1641c0
14496633d8
152d4105b0
hex1d60d912

492886290 has 64 divisors (see below), whose sum is σ = 1276684416. Its totient is φ = 121062912.

The previous prime is 492886241. The next prime is 492886307. The reversal of 492886290 is 92688294.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227854 + ... + 230006.

It is an arithmetic number, because the mean of its divisors is an integer number (19948194).

Almost surely, 2492886290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 492886290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638342208).

492886290 is an abundant number, since it is smaller than the sum of its proper divisors (783798126).

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

492886290 is a wasteful number, since it uses less digits than its factorization.

492886290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 492886290 is about 22201.0425430879. The cubic root of 492886290 is about 789.9184287939.

The spelling of 492886290 in words is "four hundred ninety-two million, eight hundred eighty-six thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 587 1174 1761 2153 2935 3522 4306 5870 6459 7631 8805 10765 12918 15262 17610 21530 22893 27989 32295 38155 45786 55978 64590 76310 83967 114465 139945 167934 228930 279890 419835 839670 1263811 2527622 3791433 6319055 7582866 12638110 16429543 18957165 32859086 37914330 49288629 82147715 98577258 164295430 246443145 492886290