Search a number
-
+
249112667 = 1953247381
BaseRepresentation
bin11101101100100…
…10100001011011
3122100202020100002
432312102201123
51002233101132
640415203215
76113264666
oct1666224133
9570666302
10249112667
11118688041
126b51650b
133c7c185b
14251286dd
1516d0b262
hexed9285b

249112667 has 8 divisors (see below), whose sum is σ = 267172560. Its totient is φ = 231547680.

The previous prime is 249112663. The next prime is 249112673. The reversal of 249112667 is 766211942.

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

It is not a de Polignac number, because 249112667 - 22 = 249112663 is a prime.

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 249112667.

It is not an unprimeable number, because it can be changed into a prime (249112663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122684 + ... + 124697.

It is an arithmetic number, because the mean of its divisors is an integer number (33396570).

Almost surely, 2249112667 is an apocalyptic number.

249112667 is a deficient number, since it is larger than the sum of its proper divisors (18059893).

249112667 is a wasteful number, since it uses less digits than its factorization.

249112667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247453.

The product of its digits is 36288, while the sum is 38.

The square root of 249112667 is about 15783.3034248221. The cubic root of 249112667 is about 629.2143284001.

The spelling of 249112667 in words is "two hundred forty-nine million, one hundred twelve thousand, six hundred sixty-seven".

Divisors: 1 19 53 1007 247381 4700239 13111193 249112667