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201402305 = 5133098497
BaseRepresentation
bin11000000000100…
…10011111000001
3112000222022000122
430000102133001
5403024333210
631552430025
74663614506
oct1400223701
9460868018
10201402305
11a3760595
1257548315
1332958680
141ca694ad
1512a34b55
hexc0127c1

201402305 has 8 divisors (see below), whose sum is σ = 260273832. Its totient is φ = 148727808.

The previous prime is 201402301. The next prime is 201402307. The reversal of 201402305 is 503204102.

It can be written as a sum of positive squares in 4 ways, for example, as 1547536 + 199854769 = 1244^2 + 14137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201402305 - 22 = 201402301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201402301) 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, 1549184 + ... + 1549313.

It is an arithmetic number, because the mean of its divisors is an integer number (32534229).

Almost surely, 2201402305 is an apocalyptic number.

It is an amenable number.

201402305 is a deficient number, since it is larger than the sum of its proper divisors (58871527).

201402305 is a wasteful number, since it uses less digits than its factorization.

201402305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098515.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 201402305 is about 14191.6279897692. The cubic root of 201402305 is about 586.1671538361.

Adding to 201402305 its reverse (503204102), we get a palindrome (704606407).

The spelling of 201402305 in words is "two hundred one million, four hundred two thousand, three hundred five".

Divisors: 1 5 13 65 3098497 15492485 40280461 201402305