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40223 = 192973
BaseRepresentation
bin1001110100011111
32001011202
421310133
52241343
6510115
7225161
oct116437
961152
1040223
1128247
121b33b
1315401
1410931
15bdb8
hex9d1f

40223 has 8 divisors (see below), whose sum is σ = 44400. Its totient is φ = 36288.

The previous prime is 40213. The next prime is 40231. The reversal of 40223 is 32204.

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 40223 - 210 = 39199 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 (40213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515 + ... + 587.

It is an arithmetic number, because the mean of its divisors is an integer number (5550).

240223 is an apocalyptic number.

40223 is a deficient number, since it is larger than the sum of its proper divisors (4177).

40223 is a wasteful number, since it uses less digits than its factorization.

40223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 40223 is about 200.5567251428. The cubic root of 40223 is about 34.2629552993.

Adding to 40223 its reverse (32204), we get a palindrome (72427).

The spelling of 40223 in words is "forty thousand, two hundred twenty-three", and thus it is an iban number.

Divisors: 1 19 29 73 551 1387 2117 40223