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219130419 = 373043473
BaseRepresentation
bin11010000111110…
…10101000110011
3120021022222102110
431003322220303
5422044133134
633424420403
75300402124
oct1503725063
9507288373
10219130419
11102769a22
1261477703
1336524991
142116204b
15143877e9
hexd0faa33

219130419 has 4 divisors (see below), whose sum is σ = 292173896. Its totient is φ = 146086944.

The previous prime is 219130411. The next prime is 219130421. The reversal of 219130419 is 914031912.

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

It is not a de Polignac number, because 219130419 - 23 = 219130411 is a prime.

It is a super-2 number, since 2×2191304192 = 96036281062231122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (219130411) 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, 36521734 + ... + 36521739.

It is an arithmetic number, because the mean of its divisors is an integer number (73043474).

Almost surely, 2219130419 is an apocalyptic number.

219130419 is a deficient number, since it is larger than the sum of its proper divisors (73043477).

219130419 is an equidigital number, since it uses as much as digits as its factorization.

219130419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73043476.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 219130419 is about 14803.0543807689. The cubic root of 219130419 is about 602.8846452551.

The spelling of 219130419 in words is "two hundred nineteen million, one hundred thirty thousand, four hundred nineteen".

Divisors: 1 3 73043473 219130419