[go: up one dir, main page]

Search a number
-
+
1418081 = 71731171
BaseRepresentation
bin101011010001101100001
32200001020112
411122031201
5330334311
650221105
715024230
oct5321541
92601215
101418081
11889475
12584795
133a8602
1428cb17
151d028b
hex15a361

1418081 has 8 divisors (see below), whose sum is σ = 1631424. Its totient is φ = 1207440.

The previous prime is 1418077. The next prime is 1418093. The reversal of 1418081 is 1808141.

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

It is a cyclic number.

It is not a de Polignac number, because 1418081 - 22 = 1418077 is a prime.

It is a super-2 number, since 2×14180812 = 4021907445122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1418051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626 + ... + 1796.

It is an arithmetic number, because the mean of its divisors is an integer number (203928).

21418081 is an apocalyptic number.

It is an amenable number.

1418081 is a deficient number, since it is larger than the sum of its proper divisors (213343).

1418081 is a wasteful number, since it uses less digits than its factorization.

1418081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351.

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 1418081 is about 1190.8320620474. The cubic root of 1418081 is about 112.3484312775.

The spelling of 1418081 in words is "one million, four hundred eighteen thousand, eighty-one".

Divisors: 1 7 173 1171 1211 8197 202583 1418081