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19413468 = 22324312541
BaseRepresentation
bin100101000001…
…1100111011100
31100112022021100
41022003213130
514432212333
61532033100
7324004014
oct112034734
940468240
1019413468
11aa5a698
126602790
134039479
142814c44
151a87213
hex12839dc

19413468 has 36 divisors (see below), whose sum is σ = 50218168. Its totient is φ = 6320160.

The previous prime is 19413467. The next prime is 19413487. The reversal of 19413468 is 86431491.

19413468 is a `hidden beast` number, since 194 + 1 + 3 + 468 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19413467) 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, 4723 + ... + 7818.

Almost surely, 219413468 is an apocalyptic number.

19413468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19413468 is an abundant number, since it is smaller than the sum of its proper divisors (30804700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19413468 is a wasteful number, since it uses less digits than its factorization.

19413468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12594 (or 12589 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 19413468 is about 4406.0717197976. The cubic root of 19413468 is about 268.7619033487.

It can be divided in two parts, 19413 and 468, that added together give a square (19881 = 1412).

The spelling of 19413468 in words is "nineteen million, four hundred thirteen thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 43 86 129 172 258 387 516 774 1548 12541 25082 37623 50164 75246 112869 150492 225738 451476 539263 1078526 1617789 2157052 3235578 4853367 6471156 9706734 19413468