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275733380 = 225131060513
BaseRepresentation
bin10000011011110…
…101101110000100
3201012211201002102
4100123311232010
51031041432010
643205531232
76555460256
oct2033655604
9635751072
10275733380
1113170a62a
1278413b18
1345182660
1428897cd6
1519318ba5
hex106f5b84

275733380 has 24 divisors (see below), whose sum is σ = 623582232. Its totient is φ = 101809152.

The previous prime is 275733371. The next prime is 275733397. The reversal of 275733380 is 83337572.

275733380 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 4 ways, for example, as 8868484 + 266864896 = 2978^2 + 16336^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529997 + ... + 530516.

It is an arithmetic number, because the mean of its divisors is an integer number (25982593).

Almost surely, 2275733380 is an apocalyptic number.

275733380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275733380 is an abundant number, since it is smaller than the sum of its proper divisors (347848852).

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

275733380 is a wasteful number, since it uses less digits than its factorization.

275733380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060535 (or 1060533 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 275733380 is about 16605.2214679600. The cubic root of 275733380 is about 650.8732877338.

The spelling of 275733380 in words is "two hundred seventy-five million, seven hundred thirty-three thousand, three hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1060513 2121026 4242052 5302565 10605130 13786669 21210260 27573338 55146676 68933345 137866690 275733380