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434131142 = 21789143467
BaseRepresentation
bin11001111000000…
…101000011000110
31010020220010222012
4121320011003012
51342114144032
6111024534222
713521024314
oct3170050306
91106803865
10434131142
11203068175
12101481372
136bc31a43
144192b0b4
15281a66b2
hex19e050c6

434131142 has 16 divisors (see below), whose sum is σ = 697254480. Its totient is φ = 202000128.

The previous prime is 434131121. The next prime is 434131147. The reversal of 434131142 is 241131434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434131147) 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, 68708 + ... + 74759.

It is an arithmetic number, because the mean of its divisors is an integer number (43578405).

Almost surely, 2434131142 is an apocalyptic number.

434131142 is a deficient number, since it is larger than the sum of its proper divisors (263123338).

434131142 is a wasteful number, since it uses less digits than its factorization.

434131142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143575.

The product of its digits is 1152, while the sum is 23.

The square root of 434131142 is about 20835.8139269864. The cubic root of 434131142 is about 757.1936796582.

Adding to 434131142 its reverse (241131434), we get a palindrome (675262576).

The spelling of 434131142 in words is "four hundred thirty-four million, one hundred thirty-one thousand, one hundred forty-two".

Divisors: 1 2 17 34 89 178 1513 3026 143467 286934 2438939 4877878 12768563 25537126 217065571 434131142