Search a number
-
+
42557203 = 1331105601
BaseRepresentation
bin1010001001010…
…1111100010011
32222002010111201
42202111330103
541343312303
64120052031
71024505323
oct242257423
988063451
1042557203
1122027947
1212304017
138a807a0
14591b283
153b0981d
hex2895f13

42557203 has 8 divisors (see below), whose sum is σ = 47309696. Its totient is φ = 38016000.

The previous prime is 42557167. The next prime is 42557237. The reversal of 42557203 is 30275524.

42557203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42557203 is a prime.

It is a super-2 number, since 2×425572032 = 3622231054366418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42557293) 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 7 ways as a sum of consecutive naturals, for example, 52398 + ... + 53203.

It is an arithmetic number, because the mean of its divisors is an integer number (5913712).

Almost surely, 242557203 is an apocalyptic number.

42557203 is a deficient number, since it is larger than the sum of its proper divisors (4752493).

42557203 is a wasteful number, since it uses less digits than its factorization.

42557203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105645.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 42557203 is about 6523.5881997563. The cubic root of 42557203 is about 349.1331008480.

The spelling of 42557203 in words is "forty-two million, five hundred fifty-seven thousand, two hundred three".

Divisors: 1 13 31 403 105601 1372813 3273631 42557203