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201498481 = 3116339877
BaseRepresentation
bin11000000001010…
…01111101110001
3112001011011221201
430000221331301
5403040422411
631554451201
74664465062
oct1400517561
9461134851
10201498481
11a3816878
1257593b01
1332990392
141ca92569
1512a533c1
hexc029f71

201498481 has 8 divisors (see below), whose sum is σ = 209279744. Its totient is φ = 193797360.

The previous prime is 201498461. The next prime is 201498503. The reversal of 201498481 is 184894102.

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 201498481 - 29 = 201497969 is a prime.

It is a super-2 number, since 2×2014984812 = 81203275690614722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201498481.

It is not an unprimeable number, because it can be changed into a prime (201498461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14886 + ... + 24991.

It is an arithmetic number, because the mean of its divisors is an integer number (26159968).

Almost surely, 2201498481 is an apocalyptic number.

It is an amenable number.

201498481 is a deficient number, since it is larger than the sum of its proper divisors (7781263).

201498481 is a wasteful number, since it uses less digits than its factorization.

201498481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40071.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 201498481 is about 14195.0160619846. The cubic root of 201498481 is about 586.2604434684.

The spelling of 201498481 in words is "two hundred one million, four hundred ninety-eight thousand, four hundred eighty-one".

Divisors: 1 31 163 5053 39877 1236187 6499951 201498481