Search a number
-
+
249413379 = 383137793
BaseRepresentation
bin11101101110110…
…11111100000011
3122101022111211120
432313123330003
51002322212004
640425443323
76115656465
oct1667337403
9571274746
10249413379
11118872a66
126b640543
133c8986a7
14251a6135
1516d6a3d9
hexeddbf03

249413379 has 4 divisors (see below), whose sum is σ = 332551176. Its totient is φ = 166275584.

The previous prime is 249413347. The next prime is 249413393. The reversal of 249413379 is 973314942.

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

It is a cyclic number.

It is not a de Polignac number, because 249413379 - 25 = 249413347 is a prime.

It is a super-3 number, since 3×2494133793 (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 249413379.

It is not an unprimeable number, because it can be changed into a prime (249413179) 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, 41568894 + ... + 41568899.

It is an arithmetic number, because the mean of its divisors is an integer number (83137794).

Almost surely, 2249413379 is an apocalyptic number.

249413379 is a deficient number, since it is larger than the sum of its proper divisors (83137797).

249413379 is an equidigital number, since it uses as much as digits as its factorization.

249413379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83137796.

The product of its digits is 163296, while the sum is 42.

The square root of 249413379 is about 15792.8268210602. The cubic root of 249413379 is about 629.4674082852.

The spelling of 249413379 in words is "two hundred forty-nine million, four hundred thirteen thousand, three hundred seventy-nine".

Divisors: 1 3 83137793 249413379