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424336861 = 13219132151
BaseRepresentation
bin11001010010101…
…101110111011101
31002120110112202001
4121102231313131
51332112234421
6110035002301
713341542464
oct3122556735
91076415661
10424336861
111a8588623
12ba139391
1369bb2a00
14404db9db
15273be691
hex194adddd

424336861 has 12 divisors (see below), whose sum is σ = 483676320. Its totient is φ = 371077200.

The previous prime is 424336859. The next prime is 424336873. The reversal of 424336861 is 168633424.

It is not a de Polignac number, because 424336861 - 21 = 424336859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424336861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424336811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62865 + ... + 69286.

It is an arithmetic number, because the mean of its divisors is an integer number (40306360).

Almost surely, 2424336861 is an apocalyptic number.

It is an amenable number.

424336861 is a deficient number, since it is larger than the sum of its proper divisors (59339459).

424336861 is a wasteful number, since it uses less digits than its factorization.

424336861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132196 (or 132183 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 424336861 is about 20599.4383661303. The cubic root of 424336861 is about 751.4560519801.

It can be divided in two parts, 42433 and 6861, that added together give a palindrome (49294).

The spelling of 424336861 in words is "four hundred twenty-four million, three hundred thirty-six thousand, eight hundred sixty-one".

Divisors: 1 13 19 169 247 3211 132151 1717963 2510869 22333519 32641297 424336861