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1400223 = 311151281
BaseRepresentation
bin101010101110110011111
32122010202010
411111312133
5324301343
650002303
714621166
oct5256637
92563663
101400223
11877010
12576393
133a0446
142863dd
151c9d33
hex155d9f

1400223 has 16 divisors (see below), whose sum is σ = 2057472. Its totient is φ = 840000.

The previous prime is 1400197. The next prime is 1400249. The reversal of 1400223 is 3220041.

It is an interprime number because it is at equal distance from previous prime (1400197) and next prime (1400249).

It is not a de Polignac number, because 1400223 - 26 = 1400159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1400199 and 1400208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4843 + ... + 5123.

It is an arithmetic number, because the mean of its divisors is an integer number (128592).

21400223 is an apocalyptic number.

1400223 is a deficient number, since it is larger than the sum of its proper divisors (657249).

1400223 is a wasteful number, since it uses less digits than its factorization.

1400223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1400223 is about 1183.3101875671. The cubic root of 1400223 is about 111.8748335984.

Adding to 1400223 its reverse (3220041), we get a palindrome (4620264).

The spelling of 1400223 in words is "one million, four hundred thousand, two hundred twenty-three".

Divisors: 1 3 11 33 151 281 453 843 1661 3091 4983 9273 42431 127293 466741 1400223