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343131425 = 52713150827
BaseRepresentation
bin10100011100111…
…100010100100001
3212220122212211022
4110130330110201
51200320201200
654014255225
711334366110
oct2434742441
9786585738
10343131425
1116676379a
1296ab7515
135611ca60
14337ddc77
15201cd885
hex1473c521

343131425 has 24 divisors (see below), whose sum is σ = 523674816. Its totient is φ = 217189440.

The previous prime is 343131413. The next prime is 343131491. The reversal of 343131425 is 524131343.

It is not a de Polignac number, because 343131425 - 210 = 343130401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343131394 and 343131403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73139 + ... + 77688.

It is an arithmetic number, because the mean of its divisors is an integer number (21819784).

Almost surely, 2343131425 is an apocalyptic number.

343131425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

343131425 is a deficient number, since it is larger than the sum of its proper divisors (180543391).

343131425 is a wasteful number, since it uses less digits than its factorization.

343131425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150857 (or 150852 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 343131425 is about 18523.8069791282. The cubic root of 343131425 is about 700.0893933455.

Adding to 343131425 its reverse (524131343), we get a palindrome (867262768).

The spelling of 343131425 in words is "three hundred forty-three million, one hundred thirty-one thousand, four hundred twenty-five".

Divisors: 1 5 7 13 25 35 65 91 175 325 455 2275 150827 754135 1055789 1960751 3770675 5278945 9803755 13725257 26394725 49018775 68626285 343131425