Search a number
-
+
20248850 = 252404977
BaseRepresentation
bin100110100111…
…1100100010010
31102002202012102
41031033210102
520140430400
62002000402
7334053356
oct115174422
942082172
1020248850
1110480296
126946102
13426c78b
142991466
151b9e9d5
hex134f912

20248850 has 12 divisors (see below), whose sum is σ = 37662954. Its totient is φ = 8099520.

The previous prime is 20248841. The next prime is 20248861. The reversal of 20248850 is 5884202.

It can be written as a sum of positive squares in 3 ways, for example, as 15217801 + 5031049 = 3901^2 + 2243^2 .

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, 202439 + ... + 202538.

Almost surely, 220248850 is an apocalyptic number.

20248850 is a deficient number, since it is larger than the sum of its proper divisors (17414104).

20248850 is a wasteful number, since it uses less digits than its factorization.

20248850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404989 (or 404984 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 20248850 is about 4499.8722204080. The cubic root of 20248850 is about 272.5629291020.

The spelling of 20248850 in words is "twenty million, two hundred forty-eight thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 50 404977 809954 2024885 4049770 10124425 20248850