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2381269 = 11713049
BaseRepresentation
bin1001000101010111010101
311110222111011
421011113111
51102200034
6123012221
726145322
oct11052725
94428434
102381269
1113870a0
1296a071
13654b47
1445db49
15320864
hex2455d5

2381269 has 8 divisors (see below), whose sum is σ = 2635200. Its totient is φ = 2133600.

The previous prime is 2381263. The next prime is 2381273. The reversal of 2381269 is 9621832.

2381269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2381269 - 221 = 284117 is a prime.

It is a super-2 number, since 2×23812692 = 11340884100722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 27 + 311 + 8 + 1 + 219 + 68 + 92 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2381269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744 + ... + 2305.

It is an arithmetic number, because the mean of its divisors is an integer number (329400).

22381269 is an apocalyptic number.

It is an amenable number.

2381269 is a deficient number, since it is larger than the sum of its proper divisors (253931).

2381269 is a wasteful number, since it uses less digits than its factorization.

2381269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131.

The product of its digits is 5184, while the sum is 31.

The square root of 2381269 is about 1543.1360925077. The cubic root of 2381269 is about 133.5373702467.

The spelling of 2381269 in words is "two million, three hundred eighty-one thousand, two hundred sixty-nine".

Divisors: 1 11 71 781 3049 33539 216479 2381269