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42924045 = 352861603
BaseRepresentation
bin1010001110111…
…1100000001101
32222202202201110
42203233200031
541442032140
64132002233
71030563663
oct243574015
988682643
1042924045
112225851a
1212460379
138b7b758
1459b4c33
153b7d380
hex28ef80d

42924045 has 8 divisors (see below), whose sum is σ = 68678496. Its totient is φ = 22892816.

The previous prime is 42924043. The next prime is 42924047. The reversal of 42924045 is 54042924.

42924045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42924043) and next prime (42924047).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42924045 - 21 = 42924043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42924041) 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, 1430787 + ... + 1430816.

It is an arithmetic number, because the mean of its divisors is an integer number (8584812).

Almost surely, 242924045 is an apocalyptic number.

It is an amenable number.

42924045 is a deficient number, since it is larger than the sum of its proper divisors (25754451).

42924045 is a wasteful number, since it uses less digits than its factorization.

42924045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861611.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 42924045 is about 6551.6444500598. The cubic root of 42924045 is about 350.1334049276.

Adding to 42924045 its reverse (54042924), we get a palindrome (96966969).

The spelling of 42924045 in words is "forty-two million, nine hundred twenty-four thousand, forty-five".

Divisors: 1 3 5 15 2861603 8584809 14308015 42924045