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434145081 = 3144715027
BaseRepresentation
bin11001111000001…
…000011100111001
31010020220212002110
4121320020130321
51342120120311
6111025122533
713521113046
oct3170103471
91106825073
10434145081
11203077697
12101489449
136bc381a6
14419321cd
15281aa8a6
hex19e08739

434145081 has 4 divisors (see below), whose sum is σ = 578860112. Its totient is φ = 289430052.

The previous prime is 434145077. The next prime is 434145119. The reversal of 434145081 is 180541434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 434145081 - 22 = 434145077 is a prime.

It is a super-2 number, since 2×4341450812 = 376963902712993122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434145581) 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, 72357511 + ... + 72357516.

It is an arithmetic number, because the mean of its divisors is an integer number (144715028).

Almost surely, 2434145081 is an apocalyptic number.

It is an amenable number.

434145081 is a deficient number, since it is larger than the sum of its proper divisors (144715031).

434145081 is a wasteful number, since it uses less digits than its factorization.

434145081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144715030.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 434145081 is about 20836.1484204735. The cubic root of 434145081 is about 757.2017835150.

The spelling of 434145081 in words is "four hundred thirty-four million, one hundred forty-five thousand, eighty-one".

Divisors: 1 3 144715027 434145081