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384094091 = 1093523799
BaseRepresentation
bin10110111001001…
…100111110001011
3222202202000001002
4112321030332023
51241312002331
6102040245215
712342513563
oct2671147613
9882660032
10384094091
111878a1637
12a877080b
1361762814
1439023da3
1523ac09cb
hex16e4cf8b

384094091 has 4 divisors (see below), whose sum is σ = 387618000. Its totient is φ = 380570184.

The previous prime is 384094069. The next prime is 384094111. The reversal of 384094091 is 190490483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190490483 = 474052989.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-384094091 is a prime.

It is a super-2 number, since 2×3840940912 = 295056541482232562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384094031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1761791 + ... + 1762008.

It is an arithmetic number, because the mean of its divisors is an integer number (96904500).

Almost surely, 2384094091 is an apocalyptic number.

384094091 is a deficient number, since it is larger than the sum of its proper divisors (3523909).

384094091 is a wasteful number, since it uses less digits than its factorization.

384094091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523908.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 384094091 is about 19598.3185758371. The cubic root of 384094091 is about 726.9075984978.

The spelling of 384094091 in words is "three hundred eighty-four million, ninety-four thousand, ninety-one".

Divisors: 1 109 3523799 384094091