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401201404 = 22711412681
BaseRepresentation
bin10111111010011…
…101100011111100
31000221221010212021
4113322131203330
51310201421104
6103451045524
712641104252
oct2772354374
91027833767
10401201404
1119651660a
12b24408a4
13651723a6
143b3d85d2
152534e754
hex17e9d8fc

401201404 has 12 divisors (see below), whose sum is σ = 711991728. Its totient is φ = 197775200.

The previous prime is 401201401. The next prime is 401201407. The reversal of 401201404 is 404102104.

It is an interprime number because it is at equal distance from previous prime (401201401) and next prime (401201407).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401201401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 706057 + ... + 706624.

It is an arithmetic number, because the mean of its divisors is an integer number (59332644).

Almost surely, 2401201404 is an apocalyptic number.

It is an amenable number.

401201404 is a deficient number, since it is larger than the sum of its proper divisors (310790324).

401201404 is a wasteful number, since it uses less digits than its factorization.

401201404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412756 (or 1412754 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 401201404 is about 20030.0125811244. The cubic root of 401201404 is about 737.5432307896.

Adding to 401201404 its reverse (404102104), we get a palindrome (805303508).

The spelling of 401201404 in words is "four hundred one million, two hundred one thousand, four hundred four".

Divisors: 1 2 4 71 142 284 1412681 2825362 5650724 100300351 200600702 401201404