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4001430223 = 7571632889
BaseRepresentation
bin1110111010000000…
…1111101011001111
3101022212101201100101
43232200033223033
531143331231343
61501020311531
7201105411220
oct35640175317
911285351311
104001430223
11177378082a
129380a25a7
134ba0026bb
1429d607247
15186458e4d
hexee80facf

4001430223 has 4 divisors (see below), whose sum is σ = 4573063120. Its totient is φ = 3429797328.

The previous prime is 4001430197. The next prime is 4001430227. The reversal of 4001430223 is 3220341004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4001430223 - 229 = 3464559311 is a prime.

It is a super-2 number, since 2×40014302232 = 32022887659075659458, which contains 22 as substring.

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 4001430223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001430227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285816438 + ... + 285816451.

It is an arithmetic number, because the mean of its divisors is an integer number (1143265780).

Almost surely, 24001430223 is an apocalyptic number.

4001430223 is a deficient number, since it is larger than the sum of its proper divisors (571632897).

4001430223 is an equidigital number, since it uses as much as digits as its factorization.

4001430223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571632896.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4001430223 is about 63256.8590984409. The cubic root of 4001430223 is about 1587.5902242147.

Adding to 4001430223 its reverse (3220341004), we get a palindrome (7221771227).

The spelling of 4001430223 in words is "four billion, one million, four hundred thirty thousand, two hundred twenty-three".

Divisors: 1 7 571632889 4001430223