Search a number
-
+
401204105 = 5149538529
BaseRepresentation
bin10111111010011…
…110001110001001
31000221221021120022
4113322132032021
51310202012410
6103451110225
712641115161
oct2772361611
91027837508
10401204105
11196518645
12b2442375
13651736a3
143b3d95a1
1525350455
hex17e9e389

401204105 has 8 divisors (see below), whose sum is σ = 484677000. Its totient is φ = 318808576.

The previous prime is 401204101. The next prime is 401204119. The reversal of 401204105 is 501402104.

It can be written as a sum of positive squares in 4 ways, for example, as 49716601 + 351487504 = 7051^2 + 18748^2 .

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 401204105 - 22 = 401204101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (401204101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268520 + ... + 270009.

It is an arithmetic number, because the mean of its divisors is an integer number (60584625).

Almost surely, 2401204105 is an apocalyptic number.

It is an amenable number.

401204105 is a deficient number, since it is larger than the sum of its proper divisors (83472895).

401204105 is a wasteful number, since it uses less digits than its factorization.

401204105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538683.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 401204105 is about 20030.0800048327. The cubic root of 401204105 is about 737.5448859016.

Adding to 401204105 its reverse (501402104), we get a palindrome (902606209).

The spelling of 401204105 in words is "four hundred one million, two hundred four thousand, one hundred five".

Divisors: 1 5 149 745 538529 2692645 80240821 401204105