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276230990 = 2573946157
BaseRepresentation
bin10000011101101…
…111001101001110
3201020202222200102
4100131233031032
51031203342430
643224331102
76562632110
oct2035571516
9636688612
10276230990
11131a1a482
1278613a92
13452c7cb9
14289873b0
15193b6345
hex1076f34e

276230990 has 16 divisors (see below), whose sum is σ = 568246752. Its totient is φ = 94707744.

The previous prime is 276230963. The next prime is 276230993. The reversal of 276230990 is 99032672.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276230993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1973009 + ... + 1973148.

It is an arithmetic number, because the mean of its divisors is an integer number (35515422).

Almost surely, 2276230990 is an apocalyptic number.

276230990 is an abundant number, since it is smaller than the sum of its proper divisors (292015762).

276230990 is a wasteful number, since it uses less digits than its factorization.

276230990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946171.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 276230990 is about 16620.1982539319. The cubic root of 276230990 is about 651.2645913646.

The spelling of 276230990 in words is "two hundred seventy-six million, two hundred thirty thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 3946157 7892314 19730785 27623099 39461570 55246198 138115495 276230990