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19146064 = 247224421
BaseRepresentation
bin100100100001…
…0010101010000
31100000201110111
41021002111100
514400133224
61522211104
7321511300
oct111022520
940021414
1019146064
11a8977a3
1264b3a94
133c74842
142785600
151a32d94
hex1242550

19146064 has 30 divisors (see below), whose sum is σ = 43153674. Its totient is φ = 8205120.

The previous prime is 19146047. The next prime is 19146077. The reversal of 19146064 is 46064191.

It can be written as a sum of positive squares in only one way, i.e., 9659664 + 9486400 = 3108^2 + 3080^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11427 + ... + 12994.

Almost surely, 219146064 is an apocalyptic number.

19146064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19146064 is an abundant number, since it is smaller than the sum of its proper divisors (24007610).

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

19146064 is a wasteful number, since it uses less digits than its factorization.

19146064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24443 (or 24430 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 19146064 is about 4375.6215558478. The cubic root of 19146064 is about 267.5222050452.

The spelling of 19146064 in words is "nineteen million, one hundred forty-six thousand, sixty-four".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 392 784 24421 48842 97684 170947 195368 341894 390736 683788 1196629 1367576 2393258 2735152 4786516 9573032 19146064