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19245064 = 232405633
BaseRepresentation
bin100100101101…
…0100000001000
31100012202021011
41021122200020
514411320224
61524253304
7322403026
oct111324010
940182234
1019245064
11a955113
126541234
133caa917
1427ad716
151a52394
hex125a808

19245064 has 8 divisors (see below), whose sum is σ = 36084510. Its totient is φ = 9622528.

The previous prime is 19245019. The next prime is 19245077. The reversal of 19245064 is 46054291.

It can be written as a sum of positive squares in only one way, i.e., 12180100 + 7064964 = 3490^2 + 2658^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202809 + ... + 1202824.

Almost surely, 219245064 is an apocalyptic number.

It is an amenable number.

19245064 is a deficient number, since it is larger than the sum of its proper divisors (16839446).

19245064 is a wasteful number, since it uses less digits than its factorization.

19245064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405639 (or 2405635 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 19245064 is about 4386.9196482270. The cubic root of 19245064 is about 267.9825116679.

The spelling of 19245064 in words is "nineteen million, two hundred forty-five thousand, sixty-four".

Divisors: 1 2 4 8 2405633 4811266 9622532 19245064