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275963540 = 22513798177
BaseRepresentation
bin10000011100101…
…101111010010100
3201020021101210212
4100130231322110
51031121313130
643214504552
76560436266
oct2034557224
9636241725
10275963540
11131857546
1278505158
1345233348
1428917b36
1519361e95
hex1072de94

275963540 has 12 divisors (see below), whose sum is σ = 579523476. Its totient is φ = 110385408.

The previous prime is 275963539. The next prime is 275963561. The reversal of 275963540 is 45369572.

275963540 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 2 ways, for example, as 92198404 + 183765136 = 9602^2 + 13556^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6899069 + ... + 6899108.

It is an arithmetic number, because the mean of its divisors is an integer number (48293623).

Almost surely, 2275963540 is an apocalyptic number.

275963540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275963540 is an abundant number, since it is smaller than the sum of its proper divisors (303559936).

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

275963540 is a wasteful number, since it uses less digits than its factorization.

275963540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13798186 (or 13798184 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 275963540 is about 16612.1503725436. The cubic root of 275963540 is about 651.0543362205.

The spelling of 275963540 in words is "two hundred seventy-five million, nine hundred sixty-three thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 13798177 27596354 55192708 68990885 137981770 275963540