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223475 = 5271277
BaseRepresentation
bin110110100011110011
3102100112212
4312203303
524122400
64442335
71620350
oct664363
9370485
10223475
1114299a
12a93ab
137a945
145b627
1546335
hex368f3

223475 has 12 divisors (see below), whose sum is σ = 316944. Its totient is φ = 153120.

The previous prime is 223469. The next prime is 223481. The reversal of 223475 is 574322.

It is an interprime number because it is at equal distance from previous prime (223469) and next prime (223481).

It is not a de Polignac number, because 223475 - 28 = 223219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223475.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 464 + ... + 813.

It is an arithmetic number, because the mean of its divisors is an integer number (26412).

2223475 is an apocalyptic number.

223475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

223475 is a deficient number, since it is larger than the sum of its proper divisors (93469).

223475 is a wasteful number, since it uses less digits than its factorization.

223475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294 (or 1289 counting only the distinct ones).

The product of its digits is 1680, while the sum is 23.

The square root of 223475 is about 472.7314248069. The cubic root of 223475 is about 60.6842956188.

Adding to 223475 its reverse (574322), we get a palindrome (797797).

The spelling of 223475 in words is "two hundred twenty-three thousand, four hundred seventy-five".

Divisors: 1 5 7 25 35 175 1277 6385 8939 31925 44695 223475