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27294043 = 731731723
BaseRepresentation
bin110100000011…
…1100101011011
31220100200101111
41220013211123
523441402133
62413001151
7450665320
oct150074533
956320344
1027294043
1114452467
1291831b7
13586842a
1438a6b47
1525e21cd
hex1a0795b

27294043 has 16 divisors (see below), whose sum is σ = 32659456. Its totient is φ = 22317120.

The previous prime is 27293999. The next prime is 27294053. The reversal of 27294043 is 34049272.

It is a de Polignac number, because none of the positive numbers 2k-27294043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27293996 and 27294014.

It is not an unprimeable number, because it can be changed into a prime (27294053) 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 15 ways as a sum of consecutive naturals, for example, 14980 + ... + 16702.

It is an arithmetic number, because the mean of its divisors is an integer number (2041216).

Almost surely, 227294043 is an apocalyptic number.

27294043 is a deficient number, since it is larger than the sum of its proper divisors (5365413).

27294043 is a wasteful number, since it uses less digits than its factorization.

27294043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 27294043 is about 5224.3701055725. The cubic root of 27294043 is about 301.0851184755.

The spelling of 27294043 in words is "twenty-seven million, two hundred ninety-four thousand, forty-three".

Divisors: 1 7 31 73 217 511 1723 2263 12061 15841 53413 125779 373891 880453 3899149 27294043