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424149843 = 31331211317
BaseRepresentation
bin11001010010000…
…000001101010011
31002120010001012110
4121102000031103
51332040243333
6110031000403
713340133315
oct3122001523
91076101173
10424149843
111a8470067
12ba069103
1369b48850
144048d7b5
1527384063
hex19480353

424149843 has 24 divisors (see below), whose sum is σ = 629371344. Its totient is φ = 252573120.

The previous prime is 424149839. The next prime is 424149857. The reversal of 424149843 is 348941424.

It is not a de Polignac number, because 424149843 - 22 = 424149839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (424149823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31821 + ... + 43137.

It is an arithmetic number, because the mean of its divisors is an integer number (26223806).

Almost surely, 2424149843 is an apocalyptic number.

424149843 is a deficient number, since it is larger than the sum of its proper divisors (205221501).

424149843 is a wasteful number, since it uses less digits than its factorization.

424149843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11395 (or 11364 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 424149843 is about 20594.8984702523. The cubic root of 424149843 is about 751.3456393402.

The spelling of 424149843 in words is "four hundred twenty-four million, one hundred forty-nine thousand, eight hundred forty-three".

Divisors: 1 3 13 31 39 93 403 961 1209 2883 11317 12493 33951 37479 147121 350827 441363 1052481 4560751 10875637 13682253 32626911 141383281 424149843