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343420144 = 2421463759
BaseRepresentation
bin10100011110000…
…010110011110000
3212221012112212121
4110132002303300
51200403421034
654024404024
711340010624
oct2436026360
9787175777
10343420144
11166940701
1297016614
13561c12b2
1433877184
15202391b4
hex14782cf0

343420144 has 10 divisors (see below), whose sum is σ = 665376560. Its totient is φ = 171710064.

The previous prime is 343420109. The next prime is 343420151. The reversal of 343420144 is 441024343.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 10731864 + ... + 10731895.

It is an arithmetic number, because the mean of its divisors is an integer number (66537656).

Almost surely, 2343420144 is an apocalyptic number.

It is an amenable number.

343420144 is a deficient number, since it is larger than the sum of its proper divisors (321956416).

343420144 is a wasteful number, since it uses less digits than its factorization.

343420144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21463767 (or 21463761 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 343420144 is about 18531.5985279198. The cubic root of 343420144 is about 700.2856956262.

Adding to 343420144 its reverse (441024343), we get a palindrome (784444487).

The spelling of 343420144 in words is "three hundred forty-three million, four hundred twenty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 21463759 42927518 85855036 171710072 343420144