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27955283 = 117123873
BaseRepresentation
bin110101010100…
…1000001010011
31221121021102212
41222221001103
524124032113
62435102335
7456421166
oct152510123
957537385
1027955283
1114864244
1294419ab
135a3a3b5
1439d9add
1526c30a8
hex1aa9053

27955283 has 4 divisors (see below), whose sum is σ = 27980328. Its totient is φ = 27930240.

The previous prime is 27955241. The next prime is 27955307. The reversal of 27955283 is 38255972.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27955283 is a prime.

It is a super-2 number, since 2×279552832 = 1562995695220178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27955283.

It is not an unprimeable number, because it can be changed into a prime (27955223) 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, 10766 + ... + 13107.

It is an arithmetic number, because the mean of its divisors is an integer number (6995082).

Almost surely, 227955283 is an apocalyptic number.

27955283 is a deficient number, since it is larger than the sum of its proper divisors (25045).

27955283 is a wasteful number, since it uses less digits than its factorization.

27955283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25044.

The product of its digits is 151200, while the sum is 41.

The square root of 27955283 is about 5287.2755744334. The cubic root of 27955283 is about 303.4971596889.

The spelling of 27955283 in words is "twenty-seven million, nine hundred fifty-five thousand, two hundred eighty-three".

Divisors: 1 1171 23873 27955283