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4421987419 = 171117232871
BaseRepresentation
bin1000001111001001…
…00010110001011011
3102102011202020100211
410013210202301123
533024012044134
62010442311551
7214403162413
oct40744426133
912364666324
104421987419
11196a107663
12a34ab85b7
13556190c05
142dd3dd643
151ad32d764
hex107922c5b

4421987419 has 8 divisors (see below), whose sum is σ = 4686316128. Its totient is φ = 4158126720.

The previous prime is 4421987411. The next prime is 4421987441. The reversal of 4421987419 is 9147891244.

It is a happy number.

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 4421987419 - 23 = 4421987411 is a prime.

It is a super-2 number, since 2×44219874192 = 39107945467588563122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4421987411) 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, 97447 + ... + 135424.

It is an arithmetic number, because the mean of its divisors is an integer number (585789516).

Almost surely, 24421987419 is an apocalyptic number.

4421987419 is a deficient number, since it is larger than the sum of its proper divisors (264328709).

4421987419 is a wasteful number, since it uses less digits than its factorization.

4421987419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234005.

The product of its digits is 580608, while the sum is 49.

The square root of 4421987419 is about 66498.0256774590. The cubic root of 4421987419 is about 1641.3675163031.

The spelling of 4421987419 in words is "four billion, four hundred twenty-one million, nine hundred eighty-seven thousand, four hundred nineteen".

Divisors: 1 17 1117 18989 232871 3958807 260116907 4421987419