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275900390 = 2579349241
BaseRepresentation
bin10000011100011…
…110011111100110
3201020011012011222
4100130132133212
51031112303030
643213300342
76560054213
oct2034363746
9636135158
10275900390
11131814057
12784946b2
134521068c
14288dcb0a
151934d3e5
hex1071e7e6

275900390 has 16 divisors (see below), whose sum is σ = 502908480. Its totient is φ = 108962880.

The previous prime is 275900389. The next prime is 275900399. The reversal of 275900390 is 93009572.

275900390 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2759003902 = 152242050404304200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 275900390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275900399) 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, 173831 + ... + 175410.

It is an arithmetic number, because the mean of its divisors is an integer number (31431780).

Almost surely, 2275900390 is an apocalyptic number.

275900390 is a deficient number, since it is larger than the sum of its proper divisors (227008090).

275900390 is a wasteful number, since it uses less digits than its factorization.

275900390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349327.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 275900390 is about 16610.2495465902. The cubic root of 275900390 is about 651.0046711840.

The spelling of 275900390 in words is "two hundred seventy-five million, nine hundred thousand, three hundred ninety".

Divisors: 1 2 5 10 79 158 395 790 349241 698482 1746205 3492410 27590039 55180078 137950195 275900390