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389340111 = 3129780037
BaseRepresentation
bin10111001101001…
…101101111001111
31000010121112020010
4113031031233033
51244132340421
6102344524303
712435223236
oct2715155717
91003545203
10389340111
1118a854a96
12aa480693
136287b584
14399cbb1d
15242aa076
hex1734dbcf

389340111 has 4 divisors (see below), whose sum is σ = 519120152. Its totient is φ = 259560072.

The previous prime is 389340101. The next prime is 389340121. The reversal of 389340111 is 111043983.

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

It is an interprime number because it is at equal distance from previous prime (389340101) and next prime (389340121).

It is not a de Polignac number, because 389340111 - 26 = 389340047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389340101) 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, 64890016 + ... + 64890021.

It is an arithmetic number, because the mean of its divisors is an integer number (129780038).

Almost surely, 2389340111 is an apocalyptic number.

389340111 is a deficient number, since it is larger than the sum of its proper divisors (129780041).

389340111 is a wasteful number, since it uses less digits than its factorization.

389340111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129780040.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 389340111 is about 19731.7031956190. The cubic root of 389340111 is about 730.2020526580.

The spelling of 389340111 in words is "three hundred eighty-nine million, three hundred forty thousand, one hundred eleven".

Divisors: 1 3 129780037 389340111