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275130044 = 2279826073
BaseRepresentation
bin10000011001100…
…010011010111100
3201011201001110122
4100121202122330
51030413130134
643144554112
76550365260
oct2031423274
9634631418
10275130044
11131338302
1278182938
1345000b57
142877c0a0
151924a02e
hex106626bc

275130044 has 12 divisors (see below), whose sum is σ = 550260144. Its totient is φ = 117912864.

The previous prime is 275130043. The next prime is 275130083. The reversal of 275130044 is 440031572.

275130044 is an admirable number.

It is a super-2 number, since 2×2751300442 = 151393082222883872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 275129995 and 275130022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275130043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4913009 + ... + 4913064.

It is an arithmetic number, because the mean of its divisors is an integer number (45855012).

Almost surely, 2275130044 is an apocalyptic number.

It is an amenable number.

275130044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

275130044 is a wasteful number, since it uses less digits than its factorization.

275130044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9826084 (or 9826082 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 275130044 is about 16587.0444624713. The cubic root of 275130044 is about 650.3982127958.

The spelling of 275130044 in words is "two hundred seventy-five million, one hundred thirty thousand, forty-four".

Divisors: 1 2 4 7 14 28 9826073 19652146 39304292 68782511 137565022 275130044