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434194869 = 3144731623
BaseRepresentation
bin11001111000010…
…100100110110101
31010021000101101110
4121320110212311
51342123213434
6111030145233
713521411153
oct3170244665
91107011343
10434194869
11203101039
121014b2219
136bc54a54
14419463d3
15281ba4e9
hex19e149b5

434194869 has 4 divisors (see below), whose sum is σ = 578926496. Its totient is φ = 289463244.

The previous prime is 434194843. The next prime is 434194903. The reversal of 434194869 is 968491434.

It is a happy number.

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 434194869 - 28 = 434194613 is a prime.

It is a super-2 number, since 2×4341948692 = 377050368531854322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434194169) 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, 72365809 + ... + 72365814.

It is an arithmetic number, because the mean of its divisors is an integer number (144731624).

Almost surely, 2434194869 is an apocalyptic number.

It is an amenable number.

434194869 is a deficient number, since it is larger than the sum of its proper divisors (144731627).

434194869 is a wasteful number, since it uses less digits than its factorization.

434194869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144731626.

The product of its digits is 746496, while the sum is 48.

The square root of 434194869 is about 20837.3431367821. The cubic root of 434194869 is about 757.2307278495.

The spelling of 434194869 in words is "four hundred thirty-four million, one hundred ninety-four thousand, eight hundred sixty-nine".

Divisors: 1 3 144731623 434194869