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201450053 = 728778579
BaseRepresentation
bin11000000000111…
…10001001000101
3112001001201112002
430000132021011
5403032400203
631553435045
74664203640
oct1400361105
9461051462
10201450053
11a3793452
125756ba85
133297431c
141ca7ca57
1512a43d88
hexc01e245

201450053 has 4 divisors (see below), whose sum is σ = 230228640. Its totient is φ = 172671468.

The previous prime is 201450049. The next prime is 201450061. The reversal of 201450053 is 350054102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201450053 - 22 = 201450049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201450043) 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, 14389283 + ... + 14389296.

It is an arithmetic number, because the mean of its divisors is an integer number (57557160).

Almost surely, 2201450053 is an apocalyptic number.

It is an amenable number.

201450053 is a deficient number, since it is larger than the sum of its proper divisors (28778587).

201450053 is an equidigital number, since it uses as much as digits as its factorization.

201450053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28778586.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 201450053 is about 14193.3101495035. The cubic root of 201450053 is about 586.2134725674.

The spelling of 201450053 in words is "two hundred one million, four hundred fifty thousand, fifty-three".

Divisors: 1 7 28778579 201450053