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19449052 = 227694609
BaseRepresentation
bin100101000110…
…0010011011100
31100121010002021
41022030103130
514434332202
61532505524
7324212530
oct112142334
940533067
1019449052
11aa843a7
12661b2a4
13404c71c
142823bc0
151a92a37
hex128c4dc

19449052 has 12 divisors (see below), whose sum is σ = 38898160. Its totient is φ = 8335296.

The previous prime is 19449049. The next prime is 19449077. The reversal of 19449052 is 25094491.

19449052 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 19448999 and 19449017.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 347277 + ... + 347332.

Almost surely, 219449052 is an apocalyptic number.

It is an amenable number.

19449052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19449052 is a wasteful number, since it uses less digits than its factorization.

19449052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694620 (or 694618 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 19449052 is about 4410.1079351871. The cubic root of 19449052 is about 268.9260125518.

The spelling of 19449052 in words is "nineteen million, four hundred forty-nine thousand, fifty-two".

Divisors: 1 2 4 7 14 28 694609 1389218 2778436 4862263 9724526 19449052