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401330044 = 22345729023
BaseRepresentation
bin10111111010111…
…100111101111100
31000222011200022201
4113322330331330
51310220030134
6103453521244
712642151303
oct2772747574
91028150281
10401330044
111965a4225
12b24a3224
13651b8acb
143b42d43a
1525377914
hex17ebcf7c

401330044 has 12 divisors (see below), whose sum is σ = 702554944. Its totient is φ = 200600064.

The previous prime is 401330029. The next prime is 401330047. The reversal of 401330044 is 440033104.

It is a super-2 number, since 2×4013300442 = 322131608434083872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401330047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684 + ... + 28339.

Almost surely, 2401330044 is an apocalyptic number.

It is an amenable number.

401330044 is a deficient number, since it is larger than the sum of its proper divisors (301224900).

401330044 is a wasteful number, since it uses less digits than its factorization.

401330044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32484 (or 32482 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 401330044 is about 20033.2235049679. The cubic root of 401330044 is about 737.6220502401.

Adding to 401330044 its reverse (440033104), we get a palindrome (841363148).

The spelling of 401330044 in words is "four hundred one million, three hundred thirty thousand, forty-four".

Divisors: 1 2 4 3457 6914 13828 29023 58046 116092 100332511 200665022 401330044