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276300380 = 225231973049
BaseRepresentation
bin10000011110000…
…000001001011100
3201020220111212102
4100132000021130
51031213103010
643230024232
76563341316
oct2036001134
9636814772
10276300380
11131a67624
1278648078
1345320765
14289a47b6
15193cbba5
hex1078025c

276300380 has 48 divisors (see below), whose sum is σ = 608731200. Its totient is φ = 105143808.

The previous prime is 276300379. The next prime is 276300383. The reversal of 276300380 is 83003672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276300383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89096 + ... + 92144.

It is an arithmetic number, because the mean of its divisors is an integer number (12681900).

Almost surely, 2276300380 is an apocalyptic number.

276300380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276300380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304365600).

276300380 is an abundant number, since it is smaller than the sum of its proper divisors (332430820).

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

276300380 is a wasteful number, since it uses less digits than its factorization.

276300380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278 (or 3276 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 276300380 is about 16622.2856430757. The cubic root of 276300380 is about 651.3191199634.

The spelling of 276300380 in words is "two hundred seventy-six million, three hundred thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 23 46 92 115 197 230 394 460 788 985 1970 3049 3940 4531 6098 9062 12196 15245 18124 22655 30490 45310 60980 70127 90620 140254 280508 350635 600653 701270 1201306 1402540 2402612 3003265 6006530 12013060 13815019 27630038 55260076 69075095 138150190 276300380