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11403223 = 13979043
BaseRepresentation
bin101011011111…
…111111010111
3210110100021121
4223133333113
510404400343
61044224411
7165632356
oct53377727
923410247
1011403223
116489457
12399b107
132493490
14172b99d
151003aed
hexadffd7

11403223 has 8 divisors (see below), whose sum is σ = 12408368. Its totient is φ = 10416384.

The previous prime is 11403221. The next prime is 11403247. The reversal of 11403223 is 32230411.

It is a happy number.

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 11403223 - 21 = 11403221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11403197 and 11403206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3261 + ... + 5782.

It is an arithmetic number, because the mean of its divisors is an integer number (1551046).

Almost surely, 211403223 is an apocalyptic number.

11403223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11403223 is a deficient number, since it is larger than the sum of its proper divisors (1005145).

11403223 is an equidigital number, since it uses as much as digits as its factorization.

11403223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9153.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 11403223 is about 3376.8658546054. The cubic root of 11403223 is about 225.0829192323.

Adding to 11403223 its reverse (32230411), we get a palindrome (43633634).

The spelling of 11403223 in words is "eleven million, four hundred three thousand, two hundred twenty-three".

Divisors: 1 13 97 1261 9043 117559 877171 11403223