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434575213 = 3731165081
BaseRepresentation
bin11001111001110…
…001011101101101
31010021201201010021
4121321301131231
51342222401323
6111042242141
713524554062
oct3171613555
91107651107
10434575213
11203340876
12101656351
136c058bc7
1441a04c69
152824305d
hex19e7176d

434575213 has 4 divisors (see below), whose sum is σ = 435740668. Its totient is φ = 433409760.

The previous prime is 434575187. The next prime is 434575217. The reversal of 434575213 is 312575434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312575434 = 2156287717.

It can be written as a sum of positive squares in 2 ways, for example, as 104898564 + 329676649 = 10242^2 + 18157^2 .

It is a cyclic number.

It is not a de Polignac number, because 434575213 - 25 = 434575181 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 (434575217) 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, 582168 + ... + 582913.

It is an arithmetic number, because the mean of its divisors is an integer number (108935167).

Almost surely, 2434575213 is an apocalyptic number.

It is an amenable number.

434575213 is a deficient number, since it is larger than the sum of its proper divisors (1165455).

434575213 is a wasteful number, since it uses less digits than its factorization.

434575213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165454.

The product of its digits is 50400, while the sum is 34.

The square root of 434575213 is about 20846.4676384274. The cubic root of 434575213 is about 757.4517684693.

The spelling of 434575213 in words is "four hundred thirty-four million, five hundred seventy-five thousand, two hundred thirteen".

Divisors: 1 373 1165081 434575213