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201302144 = 274913203
BaseRepresentation
bin10111111111110…
…10000010000000
3112000210012121222
423333322002000
5403013132034
631550334212
74663016501
oct1377720200
9460705558
10201302144
11a36a230a
12574ba368
1332921bc4
141ca40ba8
1512a1512e
hexbffa080

201302144 has 32 divisors (see below), whose sum is σ = 401973840. Its totient is φ = 100414720.

The previous prime is 201302107. The next prime is 201302149. The reversal of 201302144 is 441203102.

201302144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (201302149) 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, 61247 + ... + 64449.

Almost surely, 2201302144 is an apocalyptic number.

It is an amenable number.

201302144 is a deficient number, since it is larger than the sum of its proper divisors (200671696).

201302144 is an equidigital number, since it uses as much as digits as its factorization.

201302144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3708 (or 3696 counting only the distinct ones).

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

The square root of 201302144 is about 14188.0986745934. The cubic root of 201302144 is about 586.0699672230.

Adding to 201302144 its reverse (441203102), we get a palindrome (642505246).

The spelling of 201302144 in words is "two hundred one million, three hundred two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 64 128 491 982 1964 3203 3928 6406 7856 12812 15712 25624 31424 51248 62848 102496 204992 409984 1572673 3145346 6290692 12581384 25162768 50325536 100651072 201302144