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63472201 = 1317212837
BaseRepresentation
bin1111001000100…
…0001001001001
311102102201111021
43302020021021
5112222102301
610144232441
71400335102
oct362101111
9142381437
1063472201
1132912671
121930b721
13101c4520
1486033a9
15588b8a1
hex3c88249

63472201 has 8 divisors (see below), whose sum is σ = 68418504. Its totient is φ = 58535040.

The previous prime is 63472193. The next prime is 63472247. The reversal of 63472201 is 10227436.

It can be written as a sum of positive squares in 4 ways, for example, as 30976 + 63441225 = 176^2 + 7965^2 .

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 63472201 - 23 = 63472193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63472001) 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, 20955 + ... + 23791.

It is an arithmetic number, because the mean of its divisors is an integer number (8552313).

Almost surely, 263472201 is an apocalyptic number.

It is an amenable number.

63472201 is a deficient number, since it is larger than the sum of its proper divisors (4946303).

63472201 is a wasteful number, since it uses less digits than its factorization.

63472201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 63472201 is about 7966.9442699193. The cubic root of 63472201 is about 398.8973821273.

Adding to 63472201 its reverse (10227436), we get a palindrome (73699637).

The spelling of 63472201 in words is "sixty-three million, four hundred seventy-two thousand, two hundred one".

Divisors: 1 13 1721 2837 22373 36881 4882477 63472201