Search a number
-
+
20930300 = 2252311673
BaseRepresentation
bin100111111010…
…1111011111100
31110101100222022
41033311323330
520324232200
62024335312
7342622166
oct117657374
943340868
1020930300
11108a6276
127014538
13444a9c1
142acb936
151c86885
hex13f5efc

20930300 has 36 divisors (see below), whose sum is σ = 45632496. Its totient is φ = 8332800.

The previous prime is 20930269. The next prime is 20930317. The reversal of 20930300 is 303902.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30764 + ... + 31436.

Almost surely, 220930300 is an apocalyptic number.

20930300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20930300 is an abundant number, since it is smaller than the sum of its proper divisors (24702196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20930300 is a wasteful number, since it uses less digits than its factorization.

20930300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 20930300 is about 4574.9644807364. The cubic root of 20930300 is about 275.5868459621.

The spelling of 20930300 in words is "twenty million, nine hundred thirty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 311 622 673 1244 1346 1555 2692 3110 3365 6220 6730 7775 13460 15550 16825 31100 33650 67300 209303 418606 837212 1046515 2093030 4186060 5232575 10465150 20930300