Search a number
-
+
20053702 = 219527729
BaseRepresentation
bin100110001111…
…1111011000110
31101201211111201
41030133323012
520113204302
61553453114
7332311414
oct114377306
941654451
1020053702
1110357709
12687119a
1342019c6
1429402b4
151b61c87
hex131fec6

20053702 has 8 divisors (see below), whose sum is σ = 31663800. Its totient is φ = 9499104.

The previous prime is 20053699. The next prime is 20053717. The reversal of 20053702 is 20735002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 20053702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263827 + ... + 263902.

It is an arithmetic number, because the mean of its divisors is an integer number (3957975).

Almost surely, 220053702 is an apocalyptic number.

20053702 is a deficient number, since it is larger than the sum of its proper divisors (11610098).

20053702 is a wasteful number, since it uses less digits than its factorization.

20053702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527750.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 20053702 is about 4478.1359961484. The cubic root of 20053702 is about 271.6844939602.

Adding to 20053702 its reverse (20735002), we get a palindrome (40788704).

The spelling of 20053702 in words is "twenty million, fifty-three thousand, seven hundred two".

Divisors: 1 2 19 38 527729 1055458 10026851 20053702