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1361223 = 32151247
BaseRepresentation
bin101001100010101000111
32120011020200
411030111013
5322024343
645101543
714366403
oct5142507
92504220
101361223
1184a786
125578b3
13388776
14276103
151bd4d3
hex14c547

1361223 has 6 divisors (see below), whose sum is σ = 1966224. Its totient is φ = 907476.

The previous prime is 1361197. The next prime is 1361273. The reversal of 1361223 is 3221631.

It is not a de Polignac number, because 1361223 - 28 = 1360967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1361196 and 1361205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75615 + ... + 75632.

It is an arithmetic number, because the mean of its divisors is an integer number (327704).

21361223 is an apocalyptic number.

1361223 is a deficient number, since it is larger than the sum of its proper divisors (605001).

1361223 is a wasteful number, since it uses less digits than its factorization.

1361223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151253 (or 151250 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 1361223 is about 1166.7146180622. The cubic root of 1361223 is about 110.8263659793.

Adding to 1361223 its reverse (3221631), we get a palindrome (4582854).

The spelling of 1361223 in words is "one million, three hundred sixty-one thousand, two hundred twenty-three".

Divisors: 1 3 9 151247 453741 1361223