Search a number
-
+
57403001 is a prime number
BaseRepresentation
bin1101101011111…
…0011001111001
311000000101010002
43122332121321
5104143344001
65410202345
71264626455
oct332763171
9130011102
1057403001
112a4477a7
12172833b5
13bb7ab96
1478a3665
15508d46b
hex36be679

57403001 has 2 divisors, whose sum is σ = 57403002. Its totient is φ = 57403000.

The previous prime is 57402967. The next prime is 57403043. The reversal of 57403001 is 10030475.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57395776 + 7225 = 7576^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 57403001 - 26 = 57402937 is a prime.

It is not a weakly prime, because it can be changed into another prime (57403051) 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 as a sum of consecutive naturals, namely, 28701500 + 28701501.

It is an arithmetic number, because the mean of its divisors is an integer number (28701501).

Almost surely, 257403001 is an apocalyptic number.

It is an amenable number.

57403001 is a deficient number, since it is larger than the sum of its proper divisors (1).

57403001 is an equidigital number, since it uses as much as digits as its factorization.

57403001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 57403001 is about 7576.4768197362. The cubic root of 57403001 is about 385.7549721468.

Adding to 57403001 its reverse (10030475), we get a palindrome (67433476).

The spelling of 57403001 in words is "fifty-seven million, four hundred three thousand, one".