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308494419 = 3372779229
BaseRepresentation
bin10010011000110…
…100000001010011
3210111111010210020
4102120310001103
51112433310134
650340034523
710434105432
oct2230640123
9714433706
10308494419
11149156472
1287392a43
134bbb329c
142cd85119
151c13ab49
hex12634053

308494419 has 8 divisors (see below), whose sum is σ = 422442960. Its totient is φ = 200104416.

The previous prime is 308494411. The next prime is 308494457. The reversal of 308494419 is 914494803.

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

It is not a de Polignac number, because 308494419 - 23 = 308494411 is a prime.

It is a super-2 number, since 2×3084944192 = 190337613108295122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (308494411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1389504 + ... + 1389725.

It is an arithmetic number, because the mean of its divisors is an integer number (52805370).

Almost surely, 2308494419 is an apocalyptic number.

308494419 is a deficient number, since it is larger than the sum of its proper divisors (113948541).

308494419 is a wasteful number, since it uses less digits than its factorization.

308494419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779269.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 308494419 is about 17564.0091949418. The cubic root of 308494419 is about 675.6925084903.

The spelling of 308494419 in words is "three hundred eight million, four hundred ninety-four thousand, four hundred nineteen".

Divisors: 1 3 37 111 2779229 8337687 102831473 308494419