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419252249 = 13171897069
BaseRepresentation
bin11000111111010…
…100100000011001
31002012220012222002
4120333110200121
51324312032444
6105334010345
713250404523
oct3077244031
91065805862
10419252249
111a5725469
12b84a69b5
1368b22570
143d976a13
1526c17d4e
hex18fd4819

419252249 has 8 divisors (see below), whose sum is σ = 478061640. Its totient is φ = 364237056.

The previous prime is 419252237. The next prime is 419252263. The reversal of 419252249 is 942252914.

It can be written as a sum of positive squares in 4 ways, for example, as 129163225 + 290089024 = 11365^2 + 17032^2 .

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 419252249 - 220 = 418203673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (419252219) 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, 948314 + ... + 948755.

It is an arithmetic number, because the mean of its divisors is an integer number (59757705).

Almost surely, 2419252249 is an apocalyptic number.

It is an amenable number.

419252249 is a deficient number, since it is larger than the sum of its proper divisors (58809391).

419252249 is a wasteful number, since it uses less digits than its factorization.

419252249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897099.

The product of its digits is 51840, while the sum is 38.

The square root of 419252249 is about 20475.6501484080. The cubic root of 419252249 is about 748.4425452033.

The spelling of 419252249 in words is "four hundred nineteen million, two hundred fifty-two thousand, two hundred forty-nine".

Divisors: 1 13 17 221 1897069 24661897 32250173 419252249