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434130213 = 31123732323
BaseRepresentation
bin11001111000000…
…100110100100101
31010020220002200210
4121320010310211
51342114131323
6111024530033
713521021516
oct3170046445
91106802623
10434130213
11203067500
12101480919
136bc314aa
144192aa0d
15281a6293
hex19e04d25

434130213 has 24 divisors (see below), whose sum is σ = 653461984. Its totient is φ = 255990240.

The previous prime is 434130199. The next prime is 434130233. The reversal of 434130213 is 312031434.

It is not a de Polignac number, because 434130213 - 28 = 434129957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 434130213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434130233) 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 23 ways as a sum of consecutive naturals, for example, 2731 + ... + 29592.

Almost surely, 2434130213 is an apocalyptic number.

It is an amenable number.

434130213 is a deficient number, since it is larger than the sum of its proper divisors (219331771).

434130213 is a wasteful number, since it uses less digits than its factorization.

434130213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32385 (or 32374 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 434130213 is about 20835.7916336289. The cubic root of 434130213 is about 757.1931395500.

Adding to 434130213 its reverse (312031434), we get a palindrome (746161647).

The spelling of 434130213 in words is "four hundred thirty-four million, one hundred thirty thousand, two hundred thirteen".

Divisors: 1 3 11 33 37 111 121 363 407 1221 4477 13431 32323 96969 355553 1066659 1195951 3587853 3911083 11733249 13155461 39466383 144710071 434130213