Search a number
-
+
20701461 = 3111736901
BaseRepresentation
bin100111011111…
…0000100010101
31102221202001210
41032332010111
520244421321
62015412033
7340650054
oct116760425
942852053
1020701461
111075a350
126b24019
13439a7b1
142a6c39b
151c3db76
hex13be115

20701461 has 16 divisors (see below), whose sum is σ = 31883328. Its totient is φ = 11808000.

The previous prime is 20701453. The next prime is 20701477. The reversal of 20701461 is 16410702.

It is not a de Polignac number, because 20701461 - 23 = 20701453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20701441) 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 15 ways as a sum of consecutive naturals, for example, 17890 + ... + 19011.

It is an arithmetic number, because the mean of its divisors is an integer number (1992708).

Almost surely, 220701461 is an apocalyptic number.

It is an amenable number.

20701461 is a deficient number, since it is larger than the sum of its proper divisors (11181867).

20701461 is a wasteful number, since it uses less digits than its factorization.

20701461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36932.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 20701461 is about 4549.8858227432. The cubic root of 20701461 is about 274.5787976211.

The spelling of 20701461 in words is "twenty million, seven hundred one thousand, four hundred sixty-one".

Divisors: 1 3 11 17 33 51 187 561 36901 110703 405911 627317 1217733 1881951 6900487 20701461