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385450343 = 2207174649
BaseRepresentation
bin10110111110011…
…000000101100111
3222212021220110122
4112332120011213
51242133402333
6102125312155
712360162635
oct2676300547
9885256418
10385450343
11188638603
12a910565b
1361b18c35
1439298355
1523c8c798
hex16f98167

385450343 has 4 divisors (see below), whose sum is σ = 385627200. Its totient is φ = 385273488.

The previous prime is 385450309. The next prime is 385450361. The reversal of 385450343 is 343054583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343054583 = 2411423463.

It is a cyclic number.

It is not a de Polignac number, because 385450343 - 26 = 385450279 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385450393) 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, 85118 + ... + 89531.

It is an arithmetic number, because the mean of its divisors is an integer number (96406800).

Almost surely, 2385450343 is an apocalyptic number.

385450343 is a deficient number, since it is larger than the sum of its proper divisors (176857).

385450343 is a wasteful number, since it uses less digits than its factorization.

385450343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176856.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 385450343 is about 19632.8893186917. The cubic root of 385450343 is about 727.7621736275.

The spelling of 385450343 in words is "three hundred eighty-five million, four hundred fifty thousand, three hundred forty-three".

Divisors: 1 2207 174649 385450343