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275097638 = 2178091107
BaseRepresentation
bin10000011001011…
…010100000100110
3201011122102000102
4100121122200212
51030411111023
643144144102
76550201634
oct2031324046
9634572012
10275097638
11131315a22
1278168032
1344cbc18a
1428770354
1519240628
hex1065a826

275097638 has 8 divisors (see below), whose sum is σ = 436919832. Its totient is φ = 129457696.

The previous prime is 275097631. The next prime is 275097643. The reversal of 275097638 is 836790572.

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

It is a junction number, because it is equal to n+sod(n) for n = 275097592 and 275097601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275097631) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4045520 + ... + 4045587.

It is an arithmetic number, because the mean of its divisors is an integer number (54614979).

Almost surely, 2275097638 is an apocalyptic number.

275097638 is a deficient number, since it is larger than the sum of its proper divisors (161822194).

275097638 is a wasteful number, since it uses less digits than its factorization.

275097638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8091126.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 275097638 is about 16586.0675869840. The cubic root of 275097638 is about 650.3726762268.

The spelling of 275097638 in words is "two hundred seventy-five million, ninety-seven thousand, six hundred thirty-eight".

Divisors: 1 2 17 34 8091107 16182214 137548819 275097638