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276225885 = 325131493169
BaseRepresentation
bin10000011101101…
…101111101011101
3201020202201200100
4100131231331131
51031203212020
643224251313
76562611165
oct2035557535
9636681610
10276225885
11131a16661
1278610b39
13452c5890
14289855a5
15193b4a90
hex1076df5d

276225885 has 48 divisors (see below), whose sum is σ = 519246000. Its totient is φ = 135032832.

The previous prime is 276225869. The next prime is 276225967. The reversal of 276225885 is 588522672.

276225885 is a `hidden beast` number, since 2 + 7 + 62 + 2 + 588 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 25130169 + 251095716 = 5013^2 + 15846^2 .

It is not a de Polignac number, because 276225885 - 24 = 276225869 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 276225885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85581 + ... + 88749.

It is an arithmetic number, because the mean of its divisors is an integer number (10817625).

Almost surely, 2276225885 is an apocalyptic number.

It is an amenable number.

276225885 is a deficient number, since it is larger than the sum of its proper divisors (243020115).

276225885 is a wasteful number, since it uses less digits than its factorization.

276225885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342 (or 3339 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 276225885 is about 16620.0446750302. The cubic root of 276225885 is about 651.2605793525.

The spelling of 276225885 in words is "two hundred seventy-six million, two hundred twenty-five thousand, eight hundred eighty-five".

Divisors: 1 3 5 9 13 15 39 45 65 117 149 195 447 585 745 1341 1937 2235 3169 5811 6705 9507 9685 15845 17433 28521 29055 41197 47535 87165 123591 142605 205985 370773 472181 617955 1416543 1853865 2360905 4249629 6138353 7082715 18415059 21248145 30691765 55245177 92075295 276225885