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276341540 = 22544930773
BaseRepresentation
bin10000011110001…
…010001100100100
3201020222121022212
4100132022030210
51031220412130
643230542552
76563602316
oct2036121444
9636877285
10276341540
11131a95542
1278667a58
1345336407
14289b57b6
15193d8e95
hex1078a324

276341540 has 24 divisors (see below), whose sum is σ = 581628600. Its totient is φ = 110286848.

The previous prime is 276341539. The next prime is 276341557. The reversal of 276341540 is 45143672.

It can be written as a sum of positive squares in 4 ways, for example, as 5607424 + 270734116 = 2368^2 + 16454^2 .

It is a junction number, because it is equal to n+sod(n) for n = 276341497 and 276341506.

It is an unprimeable number.

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, 6407 + ... + 24366.

It is an arithmetic number, because the mean of its divisors is an integer number (24234525).

Almost surely, 2276341540 is an apocalyptic number.

276341540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276341540 is an abundant number, since it is smaller than the sum of its proper divisors (305287060).

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

276341540 is a wasteful number, since it uses less digits than its factorization.

276341540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31231 (or 31229 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 276341540 is about 16623.5236938502. The cubic root of 276341540 is about 651.3514603265.

The spelling of 276341540 in words is "two hundred seventy-six million, three hundred forty-one thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 449 898 1796 2245 4490 8980 30773 61546 123092 153865 307730 615460 13817077 27634154 55268308 69085385 138170770 276341540