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201231483 = 367077161
BaseRepresentation
bin10111111111010…
…00110001111011
3112000122121200220
423333220301323
5403003401413
631545031123
74662303465
oct1377506173
9460577626
10201231483
11a3654212
12574854a3
13328c89ab
141ca23135
15129ee223
hexbfe8c7b

201231483 has 4 divisors (see below), whose sum is σ = 268308648. Its totient is φ = 134154320.

The previous prime is 201231479. The next prime is 201231517. The reversal of 201231483 is 384132102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201231483 - 22 = 201231479 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201231463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33538578 + ... + 33538583.

It is an arithmetic number, because the mean of its divisors is an integer number (67077162).

Almost surely, 2201231483 is an apocalyptic number.

201231483 is a deficient number, since it is larger than the sum of its proper divisors (67077165).

201231483 is an equidigital number, since it uses as much as digits as its factorization.

201231483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67077164.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 201231483 is about 14185.6083056033. The cubic root of 201231483 is about 586.0013851808.

Adding to 201231483 its reverse (384132102), we get a palindrome (585363585).

The spelling of 201231483 in words is "two hundred one million, two hundred thirty-one thousand, four hundred eighty-three".

Divisors: 1 3 67077161 201231483