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27468971 = 61450311
BaseRepresentation
bin110100011001…
…0010010101011
31220200120100022
41220302102223
524013001341
62420431055
7452324315
oct150622253
956616308
1027468971
1114561932
12924848b
1358c9c3a
1439107b5
152628e4b
hex1a324ab

27468971 has 4 divisors (see below), whose sum is σ = 27919344. Its totient is φ = 27018600.

The previous prime is 27468949. The next prime is 27468979. The reversal of 27468971 is 17986472.

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-27468971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27468979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225095 + ... + 225216.

It is an arithmetic number, because the mean of its divisors is an integer number (6979836).

Almost surely, 227468971 is an apocalyptic number.

27468971 is a deficient number, since it is larger than the sum of its proper divisors (450373).

27468971 is an equidigital number, since it uses as much as digits as its factorization.

27468971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450372.

The product of its digits is 169344, while the sum is 44.

The square root of 27468971 is about 5241.0849067726. The cubic root of 27468971 is about 301.7269691454.

The spelling of 27468971 in words is "twenty-seven million, four hundred sixty-eight thousand, nine hundred seventy-one".

Divisors: 1 61 450311 27468971