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42403413 = 3131816007
BaseRepresentation
bin1010000111000…
…0011001010101
32221210022112210
42201300121111
541323402123
64112504033
71023265053
oct241603125
987708483
1042403413
1121a32348
121224b019
138a287a0
1458bb1d3
153ac8e93
hex2870655

42403413 has 16 divisors (see below), whose sum is σ = 61233536. Its totient is φ = 25945920.

The previous prime is 42403409. The next prime is 42403433. The reversal of 42403413 is 31430424.

It is not a de Polignac number, because 42403413 - 22 = 42403409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42403413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42403433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4056 + ... + 10062.

It is an arithmetic number, because the mean of its divisors is an integer number (3827096).

Almost surely, 242403413 is an apocalyptic number.

It is an amenable number.

42403413 is a deficient number, since it is larger than the sum of its proper divisors (18830123).

42403413 is a wasteful number, since it uses less digits than its factorization.

42403413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6204.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 42403413 is about 6511.7903068204. The cubic root of 42403413 is about 348.7120363090.

Adding to 42403413 its reverse (31430424), we get a palindrome (73833837).

The spelling of 42403413 in words is "forty-two million, four hundred three thousand, four hundred thirteen".

Divisors: 1 3 13 39 181 543 2353 6007 7059 18021 78091 234273 1087267 3261801 14134471 42403413