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60143201 = 97620033
BaseRepresentation
bin1110010101101…
…1011001100001
311012011120221222
43211123121201
5110344040301
65545024425
71330131416
oct345333141
9135146858
1060143201
1130a49528
1218185115
13c5ca1c1
147db810d
15543031b
hex395b661

60143201 has 4 divisors (see below), whose sum is σ = 60763332. Its totient is φ = 59523072.

The previous prime is 60143147. The next prime is 60143249. The reversal of 60143201 is 10234106.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10234106 = 25117053.

It can be written as a sum of positive squares in 2 ways, for example, as 21715600 + 38427601 = 4660^2 + 6199^2 .

It is a cyclic number.

It is not a de Polignac number, because 60143201 - 210 = 60142177 is a prime.

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 60143201.

It is not an unprimeable number, because it can be changed into a prime (60143261) 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, 309920 + ... + 310113.

It is an arithmetic number, because the mean of its divisors is an integer number (15190833).

Almost surely, 260143201 is an apocalyptic number.

It is an amenable number.

60143201 is a deficient number, since it is larger than the sum of its proper divisors (620131).

60143201 is an equidigital number, since it uses as much as digits as its factorization.

60143201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620130.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 60143201 is about 7755.2047684120. The cubic root of 60143201 is about 391.7979683111.

Adding to 60143201 its reverse (10234106), we get a palindrome (70377307).

The spelling of 60143201 in words is "sixty million, one hundred forty-three thousand, two hundred one".

Divisors: 1 97 620033 60143201