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57214201 = 115201291
BaseRepresentation
bin1101101001000…
…0010011111001
310222122210010111
43122100103321
5104121323301
65402144321
71263212152
oct332202371
9128583114
1057214201
112a328970
12171b20a1
13bb12c75
147854929
155052551
hex36904f9

57214201 has 4 divisors (see below), whose sum is σ = 62415504. Its totient is φ = 52012900.

The previous prime is 57214193. The next prime is 57214211. The reversal of 57214201 is 10241275.

It is a happy number.

57214201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 57214201 - 23 = 57214193 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57214211) 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 3 ways as a sum of consecutive naturals, for example, 2600635 + ... + 2600656.

It is an arithmetic number, because the mean of its divisors is an integer number (15603876).

Almost surely, 257214201 is an apocalyptic number.

It is an amenable number.

57214201 is a deficient number, since it is larger than the sum of its proper divisors (5201303).

57214201 is a wasteful number, since it uses less digits than its factorization.

57214201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5201302.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 57214201 is about 7564.0069407689. The cubic root of 57214201 is about 385.3315881722.

Adding to 57214201 its reverse (10241275), we get a palindrome (67455476).

The spelling of 57214201 in words is "fifty-seven million, two hundred fourteen thousand, two hundred one".

Divisors: 1 11 5201291 57214201