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20414210 = 252041421
BaseRepresentation
bin100110111011…
…1111100000010
31102102011000212
41031313330002
520211223320
62005314122
7335342435
oct115677402
942364025
1020414210
1110583553
126a05942
1342c9b1b
1429d581c
151bd39c5
hex1377f02

20414210 has 8 divisors (see below), whose sum is σ = 36745596. Its totient is φ = 8165680.

The previous prime is 20414203. The next prime is 20414243. The reversal of 20414210 is 1241402.

It can be written as a sum of positive squares in 2 ways, for example, as 19775809 + 638401 = 4447^2 + 799^2 .

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

It is a Curzon 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, 1020701 + ... + 1020720.

Almost surely, 220414210 is an apocalyptic number.

20414210 is a deficient number, since it is larger than the sum of its proper divisors (16331386).

20414210 is a wasteful number, since it uses less digits than its factorization.

20414210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041428.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 20414210 is about 4518.2087158519. The cubic root of 20414210 is about 273.3028702252.

Adding to 20414210 its reverse (1241402), we get a palindrome (21655612).

The spelling of 20414210 in words is "twenty million, four hundred fourteen thousand, two hundred ten".

Divisors: 1 2 5 10 2041421 4082842 10207105 20414210