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401030144 = 210391631
BaseRepresentation
bin10111111001110…
…011110000000000
31000221121102221022
4113321303300000
51310130431034
6103443245012
712636462044
oct2771636000
91027542838
10401030144
11196409979
12b2379768
1365112458
143b392024
1525318b2e
hex17e73c00

401030144 has 22 divisors (see below), whose sum is σ = 801670704. Its totient is φ = 200514560.

The previous prime is 401030137. The next prime is 401030197. The reversal of 401030144 is 441030104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194792 + ... + 196839.

Almost surely, 2401030144 is an apocalyptic number.

It is an amenable number.

401030144 is a deficient number, since it is larger than the sum of its proper divisors (400640560).

401030144 is an equidigital number, since it uses as much as digits as its factorization.

401030144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391651 (or 391633 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 401030144 is about 20025.7370401191. The cubic root of 401030144 is about 737.4382713440.

Adding to 401030144 its reverse (441030104), we get a palindrome (842060248).

The spelling of 401030144 in words is "four hundred one million, thirty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 391631 783262 1566524 3133048 6266096 12532192 25064384 50128768 100257536 200515072 401030144