Search a number
-
+
57536401 = 134425877
BaseRepresentation
bin1101101101111…
…0111110010001
311000021011002211
43123132332101
5104212131101
65413112121
71266023416
oct333367621
9130234084
1057536401
112a528a4a
1217328641
13bbc6810
1478da10d
1550b7c51
hex36def91

57536401 has 4 divisors (see below), whose sum is σ = 61962292. Its totient is φ = 53110512.

The previous prime is 57536399. The next prime is 57536419. The reversal of 57536401 is 10463575.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10627600 + 46908801 = 3260^2 + 6849^2 .

It is not a de Polignac number, because 57536401 - 21 = 57536399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57536431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2212926 + ... + 2212951.

It is an arithmetic number, because the mean of its divisors is an integer number (15490573).

Almost surely, 257536401 is an apocalyptic number.

It is an amenable number.

57536401 is a deficient number, since it is larger than the sum of its proper divisors (4425891).

57536401 is a wasteful number, since it uses less digits than its factorization.

57536401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425890.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 57536401 is about 7585.2752751631. The cubic root of 57536401 is about 386.0535622380.

Adding to 57536401 its reverse (10463575), we get a palindrome (67999976).

The spelling of 57536401 in words is "fifty-seven million, five hundred thirty-six thousand, four hundred one".

Divisors: 1 13 4425877 57536401