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27221141 = 181115031
BaseRepresentation
bin110011111010…
…1110010010101
31220012222101102
41213311302111
523432034031
62411235445
7450242633
oct147656225
956188342
1027221141
1114402712
129148b85
1358411ac
143888353
1525ca7cb
hex19f5c95

27221141 has 4 divisors (see below), whose sum is σ = 27237984. Its totient is φ = 27204300.

The previous prime is 27221123. The next prime is 27221153. The reversal of 27221141 is 14112272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27221141 - 210 = 27220117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27221041) 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, 5705 + ... + 9326.

It is an arithmetic number, because the mean of its divisors is an integer number (6809496).

Almost surely, 227221141 is an apocalyptic number.

It is an amenable number.

27221141 is a deficient number, since it is larger than the sum of its proper divisors (16843).

27221141 is a wasteful number, since it uses less digits than its factorization.

27221141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16842.

The product of its digits is 224, while the sum is 20.

The square root of 27221141 is about 5217.3883313397. The cubic root of 27221141 is about 300.8168147678.

The spelling of 27221141 in words is "twenty-seven million, two hundred twenty-one thousand, one hundred forty-one".

Divisors: 1 1811 15031 27221141