Search a number
-
+
249528383 = 1329661879
BaseRepresentation
bin11101101111110…
…00000000111111
3122101112100120222
432313320000333
51002334402013
640432131555
76116645666
oct1667700077
9571470528
10249528383
11118941405
126b696bbb
133c908b40
14251d5ddd
1516d8e508
hexedf803f

249528383 has 8 divisors (see below), whose sum is σ = 277989600. Its totient is φ = 222391008.

The previous prime is 249528371. The next prime is 249528401. The reversal of 249528383 is 383825942.

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 249528383 - 212 = 249524287 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 (249528313) 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 7 ways as a sum of consecutive naturals, for example, 330563 + ... + 331316.

It is an arithmetic number, because the mean of its divisors is an integer number (34748700).

Almost surely, 2249528383 is an apocalyptic number.

249528383 is a deficient number, since it is larger than the sum of its proper divisors (28461217).

249528383 is a wasteful number, since it uses less digits than its factorization.

249528383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661921.

The product of its digits is 414720, while the sum is 44.

The square root of 249528383 is about 15796.4674215471. The cubic root of 249528383 is about 629.5641421312.

The spelling of 249528383 in words is "two hundred forty-nine million, five hundred twenty-eight thousand, three hundred eighty-three".

Divisors: 1 13 29 377 661879 8604427 19194491 249528383