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19480044 = 22353109281
BaseRepresentation
bin100101001001…
…1110111101100
31100122200121010
41022103313230
514441330134
61533305220
7324402063
oct112236754
940580533
1019480044
11aaa5711
126635210
13406086c
1428311da
151a9bce9
hex1293dec

19480044 has 48 divisors (see below), whose sum is σ = 46902240. Its totient is φ = 6289920.

The previous prime is 19480007. The next prime is 19480051. The reversal of 19480044 is 44008491.

It is a super-2 number, since 2×194800442 = 758944228483872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19479993 and 19480020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69184 + ... + 69464.

It is an arithmetic number, because the mean of its divisors is an integer number (977130).

Almost surely, 219480044 is an apocalyptic number.

It is an amenable number.

19480044 is an abundant number, since it is smaller than the sum of its proper divisors (27422196).

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

19480044 is a wasteful number, since it uses less digits than its factorization.

19480044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 19480044 is about 4413.6202827158. The cubic root of 19480044 is about 269.0687809819.

The spelling of 19480044 in words is "nineteen million, four hundred eighty thousand, forty-four".

Divisors: 1 2 3 4 6 12 53 106 109 159 212 218 281 318 327 436 562 636 654 843 1124 1308 1686 3372 5777 11554 14893 17331 23108 29786 30629 34662 44679 59572 61258 69324 89358 91887 122516 178716 183774 367548 1623337 3246674 4870011 6493348 9740022 19480044