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401244433 = 2391678847
BaseRepresentation
bin10111111010101…
…000000100010001
31000222000022212221
4113322220010101
51310204310213
6103452021041
712641343562
oct2772500421
91028008787
10401244433
11196545977
12b2461781
1365188b55
143b40a169
152535c38d
hex17ea8111

401244433 has 4 divisors (see below), whose sum is σ = 402923520. Its totient is φ = 399565348.

The previous prime is 401244401. The next prime is 401244443. The reversal of 401244433 is 334442104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401244433 - 25 = 401244401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401244398 and 401244407.

It is not an unprimeable number, because it can be changed into a prime (401244443) 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 3 ways as a sum of consecutive naturals, for example, 839185 + ... + 839662.

It is an arithmetic number, because the mean of its divisors is an integer number (100730880).

Almost surely, 2401244433 is an apocalyptic number.

It is an amenable number.

401244433 is a deficient number, since it is larger than the sum of its proper divisors (1679087).

401244433 is a wasteful number, since it uses less digits than its factorization.

401244433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679086.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 401244433 is about 20031.0866654807. The cubic root of 401244433 is about 737.5695971091.

Adding to 401244433 its reverse (334442104), we get a palindrome (735686537).

The spelling of 401244433 in words is "four hundred one million, two hundred forty-four thousand, four hundred thirty-three".

Divisors: 1 239 1678847 401244433