Search a number
-
+
20010476 = 227436733
BaseRepresentation
bin100110001010…
…1010111101100
31101122122012202
41030111113230
520110313401
61552521032
7332041403
oct114252754
941578182
1020010476
1110328192
126850178
1341b8125
14292c63a
151b5406b
hex13155ec

20010476 has 12 divisors (see below), whose sum is σ = 35070672. Its totient is φ = 9990288.

The previous prime is 20010467. The next prime is 20010481. The reversal of 20010476 is 67401002.

It is a super-3 number, since 3×200104763 (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395 + ... + 6338.

It is an arithmetic number, because the mean of its divisors is an integer number (2922556).

Almost surely, 220010476 is an apocalyptic number.

It is an amenable number.

20010476 is a deficient number, since it is larger than the sum of its proper divisors (15060196).

20010476 is a wasteful number, since it uses less digits than its factorization.

20010476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7480 (or 7478 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 20010476 is about 4473.3070540708. The cubic root of 20010476 is about 271.4891471185.

Adding to 20010476 its reverse (67401002), we get a palindrome (87411478).

The spelling of 20010476 in words is "twenty million, ten thousand, four hundred seventy-six".

Divisors: 1 2 4 743 1486 2972 6733 13466 26932 5002619 10005238 20010476