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276492320 = 25513132929
BaseRepresentation
bin10000011110101…
…111000000100000
3201021021021011022
4100132233000200
51031240223240
643234105012
76565101026
oct2036570040
9637237138
10276492320
11132088855
127871b168
1345389c30
1428a14716
15194189b5
hex107af020

276492320 has 48 divisors (see below), whose sum is σ = 703465560. Its totient is φ = 102088704.

The previous prime is 276492299. The next prime is 276492329. The reversal of 276492320 is 23294672.

It is a happy number.

276492320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 205865104 + 70627216 = 14348^2 + 8404^2 .

It is not an unprimeable number, because it can be changed into a prime (276492329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64385 + ... + 68544.

Almost surely, 2276492320 is an apocalyptic number.

276492320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276492320 is an abundant number, since it is smaller than the sum of its proper divisors (426973240).

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

276492320 is a wasteful number, since it uses less digits than its factorization.

276492320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132957 (or 132949 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 276492320 is about 16628.0582149570. The cubic root of 276492320 is about 651.4699042352.

The spelling of 276492320 in words is "two hundred seventy-six million, four hundred ninety-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 520 1040 2080 132929 265858 531716 664645 1063432 1329290 1728077 2126864 2658580 3456154 4253728 5317160 6912308 8640385 10634320 13824616 17280770 21268640 27649232 34561540 55298464 69123080 138246160 276492320