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249043434 = 2371584609
BaseRepresentation
bin11101101100000…
…01100111101010
3122100121201100220
432312001213222
51002223342214
640413510510
76112556103
oct1666014752
9570551326
10249043434
11118640022
126b4a2436
133c7991a3
142510b3aa
1516ce59a9
hexed819ea

249043434 has 16 divisors (see below), whose sum is σ = 505103040. Its totient is φ = 81845120.

The previous prime is 249043427. The next prime is 249043439. The reversal of 249043434 is 434340942.

It is a happy number.

249043434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 249043395 and 249043404.

It is not an unprimeable number, because it can be changed into a prime (249043439) 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, 291879 + ... + 292730.

It is an arithmetic number, because the mean of its divisors is an integer number (31568940).

Almost surely, 2249043434 is an apocalyptic number.

249043434 is an abundant number, since it is smaller than the sum of its proper divisors (256059606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249043434 is a wasteful number, since it uses less digits than its factorization.

249043434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584685.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 249043434 is about 15781.1100370031. The cubic root of 249043434 is about 629.1560329143.

The spelling of 249043434 in words is "two hundred forty-nine million, forty-three thousand, four hundred thirty-four".

Divisors: 1 2 3 6 71 142 213 426 584609 1169218 1753827 3507654 41507239 83014478 124521717 249043434