Search a number
-
+
20293748 = 22192571039
BaseRepresentation
bin100110101101…
…0100001110100
31102012000210022
41031122201310
520143344443
62002544312
7334331306
oct115324164
942160708
1020293748
1110500aa2
126968098
134287047
1429a3976
151bace68
hex135a874

20293748 has 24 divisors (see below), whose sum is σ = 37564800. Its totient is φ = 9566208.

The previous prime is 20293739. The next prime is 20293771. The reversal of 20293748 is 84739202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19013 + ... + 20051.

It is an arithmetic number, because the mean of its divisors is an integer number (1565200).

Almost surely, 220293748 is an apocalyptic number.

It is an amenable number.

20293748 is a deficient number, since it is larger than the sum of its proper divisors (17271052).

20293748 is a wasteful number, since it uses less digits than its factorization.

20293748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319 (or 1317 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 20293748 is about 4504.8582663609. The cubic root of 20293748 is about 272.7642326610.

The spelling of 20293748 in words is "twenty million, two hundred ninety-three thousand, seven hundred forty-eight".

Divisors: 1 2 4 19 38 76 257 514 1028 1039 2078 4156 4883 9766 19532 19741 39482 78964 267023 534046 1068092 5073437 10146874 20293748