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2380109 = 23103483
BaseRepresentation
bin1001000101000101001101
311110220220012
421011011031
51102130414
6123003005
726142044
oct11050515
94426805
102380109
111386236
12969465
13654464
1445d55b
1532033e
hex24514d

2380109 has 4 divisors (see below), whose sum is σ = 2483616. Its totient is φ = 2276604.

The previous prime is 2380069. The next prime is 2380121. The reversal of 2380109 is 9010832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2380109 - 212 = 2376013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 103483 = 2380109 / (2 + 3 + 8 + 0 + 1 + 0 + 9).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2380129) 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, 51719 + ... + 51764.

It is an arithmetic number, because the mean of its divisors is an integer number (620904).

22380109 is an apocalyptic number.

It is an amenable number.

2380109 is a deficient number, since it is larger than the sum of its proper divisors (103507).

2380109 is a wasteful number, since it uses less digits than its factorization.

2380109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103506.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2380109 is about 1542.7601887526. The cubic root of 2380109 is about 133.5156831393.

The spelling of 2380109 in words is "two million, three hundred eighty thousand, one hundred nine".

Divisors: 1 23 103483 2380109