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276806468 = 2269201617
BaseRepresentation
bin10000011111111…
…011101101000100
3201021212020002102
4100133323231010
51031330301333
643244531232
76600546641
oct2037735504
9637766072
10276806468
11132282884
1278850b18
1345469c13
1428a96dc8
151947bae8
hex107fbb44

276806468 has 6 divisors (see below), whose sum is σ = 484411326. Its totient is φ = 138403232.

The previous prime is 276806429. The next prime is 276806477. The reversal of 276806468 is 864608672.

It can be written as a sum of positive squares in only one way, i.e., 187087684 + 89718784 = 13678^2 + 9472^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34600805 + ... + 34600812.

It is an arithmetic number, because the mean of its divisors is an integer number (80735221).

Almost surely, 2276806468 is an apocalyptic number.

It is an amenable number.

276806468 is a deficient number, since it is larger than the sum of its proper divisors (207604858).

276806468 is a wasteful number, since it uses less digits than its factorization.

276806468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69201621 (or 69201619 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 276806468 is about 16637.5018557475. The cubic root of 276806468 is about 651.7165421963.

The spelling of 276806468 in words is "two hundred seventy-six million, eight hundred six thousand, four hundred sixty-eight".

Divisors: 1 2 4 69201617 138403234 276806468