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223444200431 = 1273899345121
BaseRepresentation
bin1101000000011001001…
…1111110101111101111
3210100202012200110112002
43100012103332233233
512130103203403211
6250352052402515
722100104236404
oct3200623765757
9710665613462
10223444200431
1186842475a61
123737b01643b
13180bc42731a
14ab5999c2ab
155c2b77903b
hex34064febef

223444200431 has 8 divisors (see below), whose sum is σ = 225214370304. Its totient is φ = 221674199040.

The previous prime is 223444200401. The next prime is 223444200433. The reversal of 223444200431 is 134002444322.

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 223444200431 - 26 = 223444200367 is a prime.

It is a super-2 number, since 2×2234442004312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223444200394 and 223444200403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223444200433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4929551 + ... + 4974671.

It is an arithmetic number, because the mean of its divisors is an integer number (28151796288).

Almost surely, 2223444200431 is an apocalyptic number.

223444200431 is a deficient number, since it is larger than the sum of its proper divisors (1770169873).

223444200431 is a wasteful number, since it uses less digits than its factorization.

223444200431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84241.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 223444200431 its reverse (134002444322), we get a palindrome (357446644753).

The spelling of 223444200431 in words is "two hundred twenty-three billion, four hundred forty-four million, two hundred thousand, four hundred thirty-one".

Divisors: 1 127 38993 45121 4952111 5730367 1759403153 223444200431