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1255223 = 9971259
BaseRepresentation
bin100110010011100110111
32100202211202
410302130313
5310131343
642523115
713445354
oct4623467
92322752
101255223
11788082
1250649b
1334c448
1424962b
1519bdb8
hex132737

1255223 has 4 divisors (see below), whose sum is σ = 1257480. Its totient is φ = 1252968.

The previous prime is 1255211. The next prime is 1255237. The reversal of 1255223 is 3225521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3225521 = 13248117.

It is a cyclic number.

It is not a de Polignac number, because 1255223 - 218 = 993079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1255195 and 1255204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255253) 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, 368 + ... + 1626.

It is an arithmetic number, because the mean of its divisors is an integer number (314370).

21255223 is an apocalyptic number.

1255223 is a deficient number, since it is larger than the sum of its proper divisors (2257).

1255223 is an equidigital number, since it uses as much as digits as its factorization.

1255223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256.

The product of its digits is 600, while the sum is 20.

The square root of 1255223 is about 1120.3673504704. The cubic root of 1255223 is about 107.8715608486.

The spelling of 1255223 in words is "one million, two hundred fifty-five thousand, two hundred twenty-three".

Divisors: 1 997 1259 1255223