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275730377 = 13106919841
BaseRepresentation
bin10000011011110…
…100111111001001
3201012211112222012
4100123310333021
51031041333002
643205505305
76555445436
oct2033647711
9635745865
10275730377
1113170834a
1278412235
1345181190
1428896b8d
1519317d52
hex106f4fc9

275730377 has 8 divisors (see below), whose sum is σ = 297233160. Its totient is φ = 254269440.

The previous prime is 275730373. The next prime is 275730391. The reversal of 275730377 is 773037572.

It can be written as a sum of positive squares in 4 ways, for example, as 7557001 + 268173376 = 2749^2 + 16376^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 275730377 - 22 = 275730373 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275730373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3977 + ... + 23817.

It is an arithmetic number, because the mean of its divisors is an integer number (37154145).

Almost surely, 2275730377 is an apocalyptic number.

It is an amenable number.

275730377 is a deficient number, since it is larger than the sum of its proper divisors (21502783).

275730377 is a wasteful number, since it uses less digits than its factorization.

275730377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20923.

The product of its (nonzero) digits is 216090, while the sum is 41.

The square root of 275730377 is about 16605.1310443489. The cubic root of 275730377 is about 650.8709248479.

The spelling of 275730377 in words is "two hundred seventy-five million, seven hundred thirty thousand, three hundred seventy-seven".

Divisors: 1 13 1069 13897 19841 257933 21210029 275730377