Search a number
-
+
20134802 = 218155621
BaseRepresentation
bin100110011001…
…1101110010010
31101212221202102
41030303232102
520123303202
61555320402
7333100022
oct114635622
941787672
1020134802
1110402636
1268b0102
13422c8ac
142961a82
151b7ad02
hex1333b92

20134802 has 8 divisors (see below), whose sum is σ = 30369612. Its totient is φ = 10011600.

The previous prime is 20134801. The next prime is 20134811. The reversal of 20134802 is 20843102.

It can be written as a sum of positive squares in 2 ways, for example, as 13535041 + 6599761 = 3679^2 + 2569^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20134801) by changing a digit.

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, 27449 + ... + 28172.

Almost surely, 220134802 is an apocalyptic number.

20134802 is a deficient number, since it is larger than the sum of its proper divisors (10234810).

20134802 is a wasteful number, since it uses less digits than its factorization.

20134802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55804.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20134802 is about 4487.1819664462. The cubic root of 20134802 is about 272.0502448270.

Adding to 20134802 its reverse (20843102), we get a palindrome (40977904).

The spelling of 20134802 in words is "twenty million, one hundred thirty-four thousand, eight hundred two".

Divisors: 1 2 181 362 55621 111242 10067401 20134802