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401132244 = 22337903451
BaseRepresentation
bin10111111010001…
…100101011010100
31000221210121222210
4113322030223110
51310142212434
6103445353420
712640365522
oct2772145324
91027717883
10401132244
11196479657
12b2408870
1365149a76
143b3bb312
1525338ee9
hex17e8cad4

401132244 has 24 divisors (see below), whose sum is σ = 961272928. Its totient is φ = 130096800.

The previous prime is 401132243. The next prime is 401132267. The reversal of 401132244 is 442231104.

It is a self number, because there is not a number n which added to its sum of digits gives 401132244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401132243) 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, 451282 + ... + 452169.

Almost surely, 2401132244 is an apocalyptic number.

It is an amenable number.

401132244 is an abundant number, since it is smaller than the sum of its proper divisors (560140684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401132244 is a wasteful number, since it uses less digits than its factorization.

401132244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903495 (or 903493 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 401132244 is about 20028.2860974173. The cubic root of 401132244 is about 737.5008485674.

Adding to 401132244 its reverse (442231104), we get a palindrome (843363348).

The spelling of 401132244 in words is "four hundred one million, one hundred thirty-two thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 903451 1806902 2710353 3613804 5420706 10841412 33427687 66855374 100283061 133710748 200566122 401132244