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434142 = 23289271
BaseRepresentation
bin1101001111111011110
3211001112100
41221333132
5102343032
613145530
73455502
oct1517736
9731470
10434142
112771a5
1218b2a6
131227b7
14b4302
158897c
hex69fde

434142 has 24 divisors (see below), whose sum is σ = 954720. Its totient is φ = 142560.

The previous prime is 434141. The next prime is 434167. The reversal of 434142 is 241434.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1467 + ... + 1737.

It is an arithmetic number, because the mean of its divisors is an integer number (39780).

2434142 is an apocalyptic number.

434142 is an abundant number, since it is smaller than the sum of its proper divisors (520578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

434142 is a wasteful number, since it uses less digits than its factorization.

434142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 365 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 434142 is about 658.8945287373. The cubic root of 434142 is about 75.7199992298.

Adding to 434142 its reverse (241434), we get a palindrome (675576).

It can be divided in two parts, 434 and 142, that added together give a square (576 = 242).

The spelling of 434142 in words is "four hundred thirty-four thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 89 178 267 271 534 542 801 813 1602 1626 2439 4878 24119 48238 72357 144714 217071 434142