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240046401 = 3711430781
BaseRepresentation
bin11100100111011…
…01000101000001
3121201200121202110
432103231011001
5442422441101
635453005533
75643234510
oct1623550501
9551617673
10240046401
11113555461
12684838a9
133a968cba
1423c48677
1516119cd6
hexe4ed141

240046401 has 8 divisors (see below), whose sum is σ = 365785024. Its totient is φ = 137169360.

The previous prime is 240046379. The next prime is 240046451. The reversal of 240046401 is 104640042.

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

It is not a de Polignac number, because 240046401 - 29 = 240045889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 11430781 = 240046401 / (2 + 4 + 0 + 0 + 4 + 6 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240046451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5715370 + ... + 5715411.

It is an arithmetic number, because the mean of its divisors is an integer number (45723128).

Almost surely, 2240046401 is an apocalyptic number.

240046401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

240046401 is a deficient number, since it is larger than the sum of its proper divisors (125738623).

240046401 is a wasteful number, since it uses less digits than its factorization.

240046401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11430791.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 240046401 is about 15493.4308982872. The cubic root of 240046401 is about 621.4865482477.

Adding to 240046401 its reverse (104640042), we get a palindrome (344686443).

The spelling of 240046401 in words is "two hundred forty million, forty-six thousand, four hundred one".

Divisors: 1 3 7 21 11430781 34292343 80015467 240046401