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434787089 = 11192080321
BaseRepresentation
bin11001111010100…
…101001100010001
31010022010110202112
4121322211030101
51342301141324
6111050555105
713526425562
oct3172451421
91108113675
10434787089
11203475a80
12101738a95
136c101489
1441a5c169
1528285c0e
hex19ea5311

434787089 has 8 divisors (see below), whose sum is σ = 499277280. Its totient is φ = 374457600.

The previous prime is 434787071. The next prime is 434787091. The reversal of 434787089 is 980787434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-434787089 is a prime.

It is a super-2 number, since 2×4347870892 = 378079625522187842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434787029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1039952 + ... + 1040369.

It is an arithmetic number, because the mean of its divisors is an integer number (62409660).

Almost surely, 2434787089 is an apocalyptic number.

It is an amenable number.

434787089 is a deficient number, since it is larger than the sum of its proper divisors (64490191).

434787089 is a wasteful number, since it uses less digits than its factorization.

434787089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080351.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 434787089 is about 20851.5488393548. The cubic root of 434787089 is about 757.5748463406.

The spelling of 434787089 in words is "four hundred thirty-four million, seven hundred eighty-seven thousand, eighty-nine".

Divisors: 1 11 19 209 2080321 22883531 39526099 434787089