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42030573 = 3131077707
BaseRepresentation
bin1010000001010…
…1010111101101
32221002101002220
42200111113231
541224434243
64100505553
71020153054
oct240252755
987071086
1042030573
11217a8212
12120ab2b9
138927b80
14582139b
153a53783
hex28155ed

42030573 has 8 divisors (see below), whose sum is σ = 60351648. Its totient is φ = 25864944.

The previous prime is 42030559. The next prime is 42030577. The reversal of 42030573 is 37503024.

42030573 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 de Polignac number, because none of the positive numbers 2k-42030573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42030577) 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, 538815 + ... + 538892.

It is an arithmetic number, because the mean of its divisors is an integer number (7543956).

Almost surely, 242030573 is an apocalyptic number.

It is an amenable number.

42030573 is a deficient number, since it is larger than the sum of its proper divisors (18321075).

42030573 is a wasteful number, since it uses less digits than its factorization.

42030573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077723.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 42030573 is about 6483.0990274714. The cubic root of 42030573 is about 347.6869873353.

Adding to 42030573 its reverse (37503024), we get a palindrome (79533597).

The spelling of 42030573 in words is "forty-two million, thirty thousand, five hundred seventy-three".

Divisors: 1 3 13 39 1077707 3233121 14010191 42030573