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424130805 = 32571346447
BaseRepresentation
bin11001010001111…
…011100011110101
31002120002002002100
4121101323203311
51332034141210
6110030332313
713340023650
oct3121734365
91076062070
10424130805
111a845782a
12ba05a099
1369b3cc97
1440486897
152737d5c0
hex1947b8f5

424130805 has 24 divisors (see below), whose sum is σ = 840183552. Its totient is φ = 193888224.

The previous prime is 424130789. The next prime is 424130831. The reversal of 424130805 is 508031424.

It is not a de Polignac number, because 424130805 - 24 = 424130789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 672909 + ... + 673538.

It is an arithmetic number, because the mean of its divisors is an integer number (35007648).

Almost surely, 2424130805 is an apocalyptic number.

424130805 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

424130805 is a deficient number, since it is larger than the sum of its proper divisors (416052747).

424130805 is a wasteful number, since it uses less digits than its factorization.

424130805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346465 (or 1346462 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 424130805 is about 20594.4362632241. The cubic root of 424130805 is about 751.3343977688.

The spelling of 424130805 in words is "four hundred twenty-four million, one hundred thirty thousand, eight hundred five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 315 1346447 4039341 6732235 9425129 12118023 20196705 28275387 47125645 60590115 84826161 141376935 424130805