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434830198 = 21121796819
BaseRepresentation
bin11001111010101…
…111101101110110
31010022012122220011
4121322233231312
51342304031243
6111051530434
713526665345
oct3172575566
91108178804
10434830198
112034a5400
12101759a1a
136c117c9a
1441a6db5c
152829389d
hex19eafb76

434830198 has 12 divisors (see below), whose sum is σ = 716931180. Its totient is φ = 197649980.

The previous prime is 434830189. The next prime is 434830213. The reversal of 434830198 is 891038434.

It is a self number, because there is not a number n which added to its sum of digits gives 434830198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 898168 + ... + 898651.

It is an arithmetic number, because the mean of its divisors is an integer number (59744265).

Almost surely, 2434830198 is an apocalyptic number.

434830198 is a deficient number, since it is larger than the sum of its proper divisors (282100982).

434830198 is a wasteful number, since it uses less digits than its factorization.

434830198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796843 (or 1796832 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 434830198 is about 20852.5825259127. The cubic root of 434830198 is about 757.5998832806.

The spelling of 434830198 in words is "four hundred thirty-four million, eight hundred thirty thousand, one hundred ninety-eight".

Divisors: 1 2 11 22 121 242 1796819 3593638 19765009 39530018 217415099 434830198