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42032613 = 372001553
BaseRepresentation
bin1010000001010…
…1110111100101
32221002110220110
42200111313211
541230020423
64100523233
71020162030
oct240256745
987073813
1042032613
11217a97a7
12120b0519
138928a8c
145822017
153a54193
hex2815de5

42032613 has 8 divisors (see below), whose sum is σ = 64049728. Its totient is φ = 24018624.

The previous prime is 42032593. The next prime is 42032623. The reversal of 42032613 is 31623024.

It is a happy number.

42032613 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 42032613 - 28 = 42032357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2001553 = 42032613 / (4 + 2 + 0 + 3 + 2 + 6 + 1 + 3).

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 42032613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42032623) 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, 1000756 + ... + 1000797.

It is an arithmetic number, because the mean of its divisors is an integer number (8006216).

Almost surely, 242032613 is an apocalyptic number.

It is an amenable number.

42032613 is a deficient number, since it is larger than the sum of its proper divisors (22017115).

42032613 is a wasteful number, since it uses less digits than its factorization.

42032613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001563.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 42032613 is about 6483.2563577264. The cubic root of 42032613 is about 347.6926123675.

Adding to 42032613 its reverse (31623024), we get a palindrome (73655637).

It can be divided in two parts, 420 and 32613, that added together give a palindrome (33033).

The spelling of 42032613 in words is "forty-two million, thirty-two thousand, six hundred thirteen".

Divisors: 1 3 7 21 2001553 6004659 14010871 42032613