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201421486 = 2714387249
BaseRepresentation
bin11000000000101…
…11001010101110
3112001000021100001
430000113022232
5403030441421
631553054514
74664024440
oct1400271256
9461007301
10201421486
11a3773a42
125755743a
1332964316
141ca72490
1512a3a691
hexc0172ae

201421486 has 8 divisors (see below), whose sum is σ = 345294000. Its totient is φ = 86323488.

The previous prime is 201421471. The next prime is 201421487. The reversal of 201421486 is 684124102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201421487) 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, 7193611 + ... + 7193638.

It is an arithmetic number, because the mean of its divisors is an integer number (43161750).

Almost surely, 2201421486 is an apocalyptic number.

201421486 is a deficient number, since it is larger than the sum of its proper divisors (143872514).

201421486 is a wasteful number, since it uses less digits than its factorization.

201421486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14387258.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 201421486 is about 14192.3037594324. The cubic root of 201421486 is about 586.1857615597.

Adding to 201421486 its reverse (684124102), we get a palindrome (885545588).

The spelling of 201421486 in words is "two hundred one million, four hundred twenty-one thousand, four hundred eighty-six".

Divisors: 1 2 7 14 14387249 28774498 100710743 201421486