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433140223 = 2631646921
BaseRepresentation
bin11001110100010…
…011000111111111
31010012000210200111
4121310103013333
51341340441343
6110551410451
713506426325
oct3164230777
91105023614
10433140223
1120255072a
12101083a27
136b9759b9
144174dd15
152805cc9d
hex19d131ff

433140223 has 4 divisors (see below), whose sum is σ = 434787408. Its totient is φ = 431493040.

The previous prime is 433140139. The next prime is 433140233. The reversal of 433140223 is 322041334.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322041334 = 2161020667.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-433140223 is a prime.

It is a super-2 number, since 2×4331402232 = 375220905560979458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 433140194 and 433140203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (433140233) 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, 823198 + ... + 823723.

It is an arithmetic number, because the mean of its divisors is an integer number (108696852).

Almost surely, 2433140223 is an apocalyptic number.

433140223 is a deficient number, since it is larger than the sum of its proper divisors (1647185).

433140223 is a wasteful number, since it uses less digits than its factorization.

433140223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647184.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 433140223 is about 20812.0211176137. The cubic root of 433140223 is about 756.6171340546.

Adding to 433140223 its reverse (322041334), we get a palindrome (755181557).

The spelling of 433140223 in words is "four hundred thirty-three million, one hundred forty thousand, two hundred twenty-three".

Divisors: 1 263 1646921 433140223