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42604723 = 737271607
BaseRepresentation
bin1010001010000…
…1100010110011
32222011112200201
42202201202303
541401322343
64121100031
71025064010
oct242414263
988145621
1042604723
112205a617
1212327617
138a992c5
145930707
153b1894d
hex28a18b3

42604723 has 16 divisors (see below), whose sum is σ = 50274304. Its totient is φ = 35341920.

The previous prime is 42604693. The next prime is 42604747. The reversal of 42604723 is 32740624.

It is a cyclic number.

It is not a de Polignac number, because 42604723 - 25 = 42604691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42604691 and 42604700.

It is not an unprimeable number, because it can be changed into a prime (42604753) 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, 69886 + ... + 70492.

It is an arithmetic number, because the mean of its divisors is an integer number (3142144).

Almost surely, 242604723 is an apocalyptic number.

42604723 is a deficient number, since it is larger than the sum of its proper divisors (7669581).

42604723 is a wasteful number, since it uses less digits than its factorization.

42604723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 42604723 is about 6527.2293509574. The cubic root of 42604723 is about 349.2630015654.

The spelling of 42604723 in words is "forty-two million, six hundred four thousand, seven hundred twenty-three".

Divisors: 1 7 37 259 271 607 1897 4249 10027 22459 70189 157213 164497 1151479 6086389 42604723