Search a number
-
+
20498050 = 252409961
BaseRepresentation
bin100111000110…
…0011010000010
31102120102001001
41032030122002
520221414200
62011202214
7336142036
oct116143202
942512031
1020498050
1110630541
126a4636a
134329031
142a181c6
151bed76a
hex138c682

20498050 has 12 divisors (see below), whose sum is σ = 38126466. Its totient is φ = 8199200.

The previous prime is 20498033. The next prime is 20498059. The reversal of 20498050 is 5089402.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 19900521 + 597529 = 4461^2 + 773^2 .

It is not an unprimeable number, because it can be changed into a prime (20498059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 204931 + ... + 205030.

Almost surely, 220498050 is an apocalyptic number.

20498050 is a deficient number, since it is larger than the sum of its proper divisors (17628416).

20498050 is a wasteful number, since it uses less digits than its factorization.

20498050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409973 (or 409968 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 20498050 is about 4527.4772224717. The cubic root of 20498050 is about 273.6765056419.

The spelling of 20498050 in words is "twenty million, four hundred ninety-eight thousand, fifty".

Divisors: 1 2 5 10 25 50 409961 819922 2049805 4099610 10249025 20498050