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224157071 = 1376312593
BaseRepresentation
bin11010101110001…
…01110110001111
3120121210100200202
431113011312033
5424341011241
634124244115
75361206105
oct1527056617
9517710622
10224157071
11105592586
12630a063b
1337594928
1421aadc75
1514a2bd9b
hexd5c5d8f

224157071 has 8 divisors (see below), whose sum is σ = 226238304. Its totient is φ = 222082560.

The previous prime is 224157067. The next prime is 224157133. The reversal of 224157071 is 170751422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 224157071 - 22 = 224157067 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 (224157671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85151 + ... + 87743.

It is an arithmetic number, because the mean of its divisors is an integer number (28279788).

Almost surely, 2224157071 is an apocalyptic number.

224157071 is a deficient number, since it is larger than the sum of its proper divisors (2081233).

224157071 is a wasteful number, since it uses less digits than its factorization.

224157071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 224157071 is about 14971.8760013567. The cubic root of 224157071 is about 607.4597136093.

The spelling of 224157071 in words is "two hundred twenty-four million, one hundred fifty-seven thousand, seventy-one".

Divisors: 1 137 631 2593 86447 355241 1636183 224157071