Search a number
-
+
42532401 = 357724571
BaseRepresentation
bin1010001000111…
…1111000110001
32222000212111010
42202033320301
541342014101
64115341133
71024343112
oct242177061
988025433
1042532401
112201024a
12122b17a9
138a72402
145912209
153b022d6
hex288fe31

42532401 has 8 divisors (see below), whose sum is σ = 56810464. Its totient is φ = 28304640.

The previous prime is 42532379. The next prime is 42532411. The reversal of 42532401 is 10423524.

42532401 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 not a de Polignac number, because 42532401 - 29 = 42531889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42532411) 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, 10555 + ... + 14016.

It is an arithmetic number, because the mean of its divisors is an integer number (7101308).

Almost surely, 242532401 is an apocalyptic number.

It is an amenable number.

42532401 is a deficient number, since it is larger than the sum of its proper divisors (14278063).

42532401 is a wasteful number, since it uses less digits than its factorization.

42532401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25151.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 42532401 is about 6521.6869750088. The cubic root of 42532401 is about 349.0652636683.

Adding to 42532401 its reverse (10423524), we get a palindrome (52955925).

The spelling of 42532401 in words is "forty-two million, five hundred thirty-two thousand, four hundred one".

Divisors: 1 3 577 1731 24571 73713 14177467 42532401