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401243033 = 653743827
BaseRepresentation
bin10111111010100…
…111101110011001
31000222000020222002
4113322213232121
51310204234113
6103452010345
712641336522
oct2772475631
91028006862
10401243033
11196544914
12b24609b5
1365188319
143b409849
152535bc58
hex17ea7b99

401243033 has 8 divisors (see below), whose sum is σ = 402884928. Its totient is φ = 399605584.

The previous prime is 401243021. The next prime is 401243041. The reversal of 401243033 is 330342104.

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 401243033 - 214 = 401226649 is a prime.

It is a super-3 number, since 3×4012430333 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401242996 and 401243014.

It is not an unprimeable number, because it can be changed into a prime (401243093) 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 7 ways as a sum of consecutive naturals, for example, 484766 + ... + 485592.

It is an arithmetic number, because the mean of its divisors is an integer number (50360616).

Almost surely, 2401243033 is an apocalyptic number.

It is an amenable number.

401243033 is a deficient number, since it is larger than the sum of its proper divisors (1641895).

401243033 is an equidigital number, since it uses as much as digits as its factorization.

401243033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 401243033 is about 20031.0517197675. The cubic root of 401243033 is about 737.5687392790.

Adding to 401243033 its reverse (330342104), we get a palindrome (731585137).

The spelling of 401243033 in words is "four hundred one million, two hundred forty-three thousand, thirty-three".

Divisors: 1 653 743 827 485179 540031 614461 401243033