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2185330434 = 237431210039
BaseRepresentation
bin1000001001000001…
…0111111100000010
312122022002021210020
42002100113330002
513433421033214
61000503114310
7105104000520
oct20220277402
95568067706
102185330434
11a21620111
1250ba42996
1328a996541
1416a33d310
15cbcc04a9
hex82417f02

2185330434 has 32 divisors (see below), whose sum is σ = 5111208960. Its totient is φ = 609859152.

The previous prime is 2185330423. The next prime is 2185330439. The reversal of 2185330434 is 4340335812.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2185330395 and 2185330404.

It is not an unprimeable number, because it can be changed into a prime (2185330439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603214 + ... + 606825.

It is an arithmetic number, because the mean of its divisors is an integer number (159725280).

Almost surely, 22185330434 is an apocalyptic number.

2185330434 is an abundant number, since it is smaller than the sum of its proper divisors (2925878526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2185330434 is a wasteful number, since it uses less digits than its factorization.

2185330434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210094.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 2185330434 is about 46747.5179448064. The cubic root of 2185330434 is about 1297.6942231741.

The spelling of 2185330434 in words is "two billion, one hundred eighty-five million, three hundred thirty thousand, four hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 43 86 129 258 301 602 903 1806 1210039 2420078 3630117 7260234 8470273 16940546 25410819 50821638 52031677 104063354 156095031 312190062 364221739 728443478 1092665217 2185330434