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2401210404 = 2232421715817
BaseRepresentation
bin1000111100011111…
…1001000000100100
320012100022010102200
42033013321000210
514404202213104
61034134134500
7113334644265
oct21707710044
96170263380
102401210404
111022469a0a
125701b1430
132c3620878
1418ac9696c
15e0c14b39
hex8f1f9024

2401210404 has 36 divisors (see below), whose sum is σ = 6071549484. Its totient is φ = 800163072.

The previous prime is 2401210403. The next prime is 2401210439. The reversal of 2401210404 is 4040121042.

2401210404 is a `hidden beast` number, since 240 + 1 + 21 + 0 + 404 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2137212900 + 263997504 = 46230^2 + 16248^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×24012104042 = 11531622808555686432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2401210403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143904 + ... + 159720.

Almost surely, 22401210404 is an apocalyptic number.

It is an amenable number.

2401210404 is an abundant number, since it is smaller than the sum of its proper divisors (3670339080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2401210404 is a wasteful number, since it uses less digits than its factorization.

2401210404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20044 (or 20039 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2401210404 is about 49002.1469325580. The cubic root of 2401210404 is about 1339.0909413145.

Adding to 2401210404 its reverse (4040121042), we get a palindrome (6441331446).

The spelling of 2401210404 in words is "two billion, four hundred one million, two hundred ten thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 4217 8434 12651 15817 16868 25302 31634 37953 47451 50604 63268 75906 94902 142353 151812 189804 284706 569412 66700289 133400578 200100867 266801156 400201734 600302601 800403468 1200605202 2401210404