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434520121 = 7173358811
BaseRepresentation
bin11001111001100…
…100000000111001
31010021121220112211
4121321210000321
51342214120441
6111041135121
713524234340
oct3171440071
91107556484
10434520121
11203303442
1210162a4a1
136c039ac9
14419ccb57
1528231a81
hex19e64039

434520121 has 8 divisors (see below), whose sum is σ = 499466304. Its totient is φ = 370291920.

The previous prime is 434520113. The next prime is 434520127. The reversal of 434520121 is 121025434.

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 434520121 - 23 = 434520113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 434520092 and 434520101.

It is not an unprimeable number, because it can be changed into a prime (434520127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178195 + ... + 180616.

It is an arithmetic number, because the mean of its divisors is an integer number (62433288).

Almost surely, 2434520121 is an apocalyptic number.

It is an amenable number.

434520121 is a deficient number, since it is larger than the sum of its proper divisors (64946183).

434520121 is a wasteful number, since it uses less digits than its factorization.

434520121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358991.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 434520121 is about 20845.1462216028. The cubic root of 434520121 is about 757.4197592067.

Adding to 434520121 its reverse (121025434), we get a palindrome (555545555).

The spelling of 434520121 in words is "four hundred thirty-four million, five hundred twenty thousand, one hundred twenty-one".

Divisors: 1 7 173 1211 358811 2511677 62074303 434520121