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419465989 = 432892549
BaseRepresentation
bin11001000000001…
…000101100000101
31002020022002011101
4121000020230011
51324340402424
6105342340101
713252254625
oct3100105405
91066262141
10419465989
111a5861008
12b858a631
1368b98937
143d9d0885
1526c5b344
hex19008b05

419465989 has 12 divisors (see below), whose sum is σ = 434443500. Its totient is φ = 404948544.

The previous prime is 419465971. The next prime is 419466013. The reversal of 419465989 is 989564914.

It can be written as a sum of positive squares in 2 ways, for example, as 246333025 + 173132964 = 15695^2 + 13158^2 .

It is not a de Polignac number, because 419465989 - 27 = 419465861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (419465689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163287 + ... + 165835.

It is an arithmetic number, because the mean of its divisors is an integer number (36203625).

Almost surely, 2419465989 is an apocalyptic number.

It is an amenable number.

419465989 is a deficient number, since it is larger than the sum of its proper divisors (14977511).

419465989 is an equidigital number, since it uses as much as digits as its factorization.

419465989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724 (or 2681 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 55.

The square root of 419465989 is about 20480.8688536400. The cubic root of 419465989 is about 748.5697120283.

The spelling of 419465989 in words is "four hundred nineteen million, four hundred sixty-five thousand, nine hundred eighty-nine".

Divisors: 1 43 89 1849 2549 3827 109607 164561 226861 4713101 9755023 419465989