Search a number
-
+
401240461 = 19149141731
BaseRepresentation
bin10111111010100…
…111000110001101
31000222000010102211
4113322213012031
51310204143321
6103451550421
712641326156
oct2772470615
91028003384
10401240461
11196542996
12b245b411
13651870bb
143b40892d
152535b0e1
hex17ea718d

401240461 has 8 divisors (see below), whose sum is σ = 425196000. Its totient is φ = 377568720.

The previous prime is 401240431. The next prime is 401240501. The reversal of 401240461 is 164042104.

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 401240461 - 215 = 401207693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401240431) 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, 68035 + ... + 73696.

It is an arithmetic number, because the mean of its divisors is an integer number (53149500).

Almost surely, 2401240461 is an apocalyptic number.

It is an amenable number.

401240461 is a deficient number, since it is larger than the sum of its proper divisors (23955539).

401240461 is a wasteful number, since it uses less digits than its factorization.

401240461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141899.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 401240461 is about 20030.9875193411. The cubic root of 401240461 is about 737.5671633174.

Adding to 401240461 its reverse (164042104), we get a palindrome (565282565).

The spelling of 401240461 in words is "four hundred one million, two hundred forty thousand, four hundred sixty-one".

Divisors: 1 19 149 2831 141731 2692889 21117919 401240461