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418141 = 1732417
BaseRepresentation
bin1100110000101011101
3210020120201
41212011131
5101340031
612543501
73361033
oct1460535
9706521
10418141
11266179
12181b91
13118429
14ac553
1583d61
hex6615d

418141 has 4 divisors (see below), whose sum is σ = 420732. Its totient is φ = 415552.

The previous prime is 418129. The next prime is 418157. The reversal of 418141 is 141814.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 395641 + 22500 = 629^2 + 150^2 .

It is a cyclic number.

It is not a de Polignac number, because 418141 - 25 = 418109 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

418141 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1036 + ... + 1381.

It is an arithmetic number, because the mean of its divisors is an integer number (105183).

2418141 is an apocalyptic number.

418141 is the 346-th nonagonal number.

It is an amenable number.

418141 is a deficient number, since it is larger than the sum of its proper divisors (2591).

418141 is a wasteful number, since it uses less digits than its factorization.

418141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590.

The product of its digits is 128, while the sum is 19.

The square root of 418141 is about 646.6382296153. The cubic root of 418141 is about 74.7780698672.

Adding to 418141 its reverse (141814), we get a palindrome (559955).

It can be divided in two parts, 4 and 18141, that added together give a triangular number (18145 = T190).

The spelling of 418141 in words is "four hundred eighteen thousand, one hundred forty-one".

Divisors: 1 173 2417 418141