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424197505 = 51515031117
BaseRepresentation
bin11001010010001…
…011110110000001
31002120012110120201
4121102023312001
51332043310010
6110032005201
713340422264
oct3122136601
91076173521
10424197505
111a84a2956
12ba090801
1369b64454
14404a2cdb
152739323a
hex1948bd81

424197505 has 16 divisors (see below), whose sum is σ = 513886464. Its totient is φ = 336139200.

The previous prime is 424197503. The next prime is 424197509. The reversal of 424197505 is 505791424.

It is not a de Polignac number, because 424197505 - 21 = 424197503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424197503) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 379207 + ... + 380323.

It is an arithmetic number, because the mean of its divisors is an integer number (32117904).

Almost surely, 2424197505 is an apocalyptic number.

It is an amenable number.

424197505 is a deficient number, since it is larger than the sum of its proper divisors (89688959).

424197505 is a wasteful number, since it uses less digits than its factorization.

424197505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 424197505 is about 20596.0555689676. The cubic root of 424197505 is about 751.3737813559.

The spelling of 424197505 in words is "four hundred twenty-four million, one hundred ninety-seven thousand, five hundred five".

Divisors: 1 5 151 503 755 1117 2515 5585 75953 168667 379765 561851 843335 2809255 84839501 424197505