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401350441 = 1937320717
BaseRepresentation
bin10111111011000…
…001111100101001
31000222012201022011
4113323001330221
51310221203231
6103454155521
712642264622
oct2773017451
91028181264
10401350441
11196608588
12b24b2ba1
13651c518b
143b436a49
152537d9b1
hex17ec1f29

401350441 has 4 divisors (see below), whose sum is σ = 401390532. Its totient is φ = 401310352.

The previous prime is 401350393. The next prime is 401350489. The reversal of 401350441 is 144053104.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (401350393) and next prime (401350489).

It can be written as a sum of positive squares in 2 ways, for example, as 49000000 + 352350441 = 7000^2 + 18771^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-401350441 is a prime.

It is a super-2 number, since 2×4013504412 = 322164352981788962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401350241) 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 3 ways as a sum of consecutive naturals, for example, 9015 + ... + 29731.

It is an arithmetic number, because the mean of its divisors is an integer number (100347633).

Almost surely, 2401350441 is an apocalyptic number.

It is an amenable number.

401350441 is a deficient number, since it is larger than the sum of its proper divisors (40091).

401350441 is a wasteful number, since it uses less digits than its factorization.

401350441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40090.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 401350441 is about 20033.7325778298. The cubic root of 401350441 is about 737.6345462080.

The spelling of 401350441 in words is "four hundred one million, three hundred fifty thousand, four hundred forty-one".

Divisors: 1 19373 20717 401350441