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434142455 = 586828491
BaseRepresentation
bin11001111000000…
…111110011110111
31010020220201111012
4121320013303313
51342120024310
6111025102435
713521102305
oct3170076367
91106821435
10434142455
1120307571a
12101487a1b
136bc36c36
1441931275
15281a9c05
hex19e07cf7

434142455 has 4 divisors (see below), whose sum is σ = 520970952. Its totient is φ = 347313960.

The previous prime is 434142439. The next prime is 434142469. The reversal of 434142455 is 554241434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 554241434 = 2277120717.

It is not a de Polignac number, because 434142455 - 24 = 434142439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43414241 + ... + 43414250.

It is an arithmetic number, because the mean of its divisors is an integer number (130242738).

Almost surely, 2434142455 is an apocalyptic number.

434142455 is a deficient number, since it is larger than the sum of its proper divisors (86828497).

434142455 is an equidigital number, since it uses as much as digits as its factorization.

434142455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86828496.

The product of its digits is 38400, while the sum is 32.

The square root of 434142455 is about 20836.0854048931. The cubic root of 434142455 is about 757.2002568242.

Adding to 434142455 its reverse (554241434), we get a palindrome (988383889).

The spelling of 434142455 in words is "four hundred thirty-four million, one hundred forty-two thousand, four hundred fifty-five".

Divisors: 1 5 86828491 434142455