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401120242 = 28315715391
BaseRepresentation
bin10111111010001…
…001101111110010
31000221210000112021
4113322021233302
51310141321432
6103445222054
712640315525
oct2772115762
91027700467
10401120242
11196470636
12b240192a
1365144473
143b3b6bbc
1525335697
hex17e89bf2

401120242 has 16 divisors (see below), whose sum is σ = 612847872. Its totient is φ = 196868880.

The previous prime is 401120227. The next prime is 401120243. The reversal of 401120242 is 242021104.

It is not an unprimeable number, because it can be changed into a prime (401120243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18367 + ... + 33757.

It is an arithmetic number, because the mean of its divisors is an integer number (38302992).

Almost surely, 2401120242 is an apocalyptic number.

401120242 is a deficient number, since it is larger than the sum of its proper divisors (211727630).

401120242 is a wasteful number, since it uses less digits than its factorization.

401120242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15633.

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

The square root of 401120242 is about 20027.9864689389. The cubic root of 401120242 is about 737.4934930767.

Adding to 401120242 its reverse (242021104), we get a palindrome (643141346).

The spelling of 401120242 in words is "four hundred one million, one hundred twenty thousand, two hundred forty-two".

Divisors: 1 2 83 157 166 314 13031 15391 26062 30782 1277453 2416387 2554906 4832774 200560121 401120242