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20496514 = 210248257
BaseRepresentation
bin100111000110…
…0000010000010
31102120022221011
41032030002002
520221342024
62011151134
7336134413
oct116140202
942508834
1020496514
111062a375
126a454aa
13432841c
142a1780a
151bed094
hex138c082

20496514 has 4 divisors (see below), whose sum is σ = 30744774. Its totient is φ = 10248256.

The previous prime is 20496499. The next prime is 20496517. The reversal of 20496514 is 41569402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15800625 + 4695889 = 3975^2 + 2167^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20496517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5124127 + ... + 5124130.

Almost surely, 220496514 is an apocalyptic number.

20496514 is a deficient number, since it is larger than the sum of its proper divisors (10248260).

20496514 is a wasteful number, since it uses less digits than its factorization.

20496514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10248259.

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

The square root of 20496514 is about 4527.3075884017. The cubic root of 20496514 is about 273.6696695833.

The spelling of 20496514 in words is "twenty million, four hundred ninety-six thousand, five hundred fourteen".

Divisors: 1 2 10248257 20496514