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275728030 = 2528379719
BaseRepresentation
bin10000011011110…
…100011010011110
3201012211102202021
4100123310122132
51031041244110
643205450354
76555435544
oct2033643236
9635742667
10275728030
11131706606
12784109ba
13451800a6
1428895d94
15193172da
hex106f469e

275728030 has 16 divisors (see below), whose sum is σ = 496536480. Its totient is φ = 110240992.

The previous prime is 275728021. The next prime is 275728031. The reversal of 275728030 is 30827572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275728031) 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, 23511 + ... + 33229.

It is an arithmetic number, because the mean of its divisors is an integer number (31033530).

Almost surely, 2275728030 is an apocalyptic number.

275728030 is a deficient number, since it is larger than the sum of its proper divisors (220808450).

275728030 is a wasteful number, since it uses less digits than its factorization.

275728030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12563.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 275728030 is about 16605.0603732718. The cubic root of 275728030 is about 650.8690781182.

The spelling of 275728030 in words is "two hundred seventy-five million, seven hundred twenty-eight thousand, thirty".

Divisors: 1 2 5 10 2837 5674 9719 14185 19438 28370 48595 97190 27572803 55145606 137864015 275728030