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42674805 = 3252953617
BaseRepresentation
bin1010001011001…
…0101001110101
32222022002211100
42202302221311
541411043210
64122400313
71025505225
oct242625165
988262740
1042674805
11220a8238
1212360099
138ac2184
14594c085
153b2e5c0
hex28b2a75

42674805 has 48 divisors (see below), whose sum is σ = 78090480. Its totient is φ = 21525504.

The previous prime is 42674783. The next prime is 42674833. The reversal of 42674805 is 50847624.

42674805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2643876 + 40030929 = 1626^2 + 6327^2 .

It is not a de Polignac number, because 42674805 - 29 = 42674293 is a prime.

It is a super-2 number, since 2×426748052 = 3642277963576050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42674805.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 68857 + ... + 69473.

It is an arithmetic number, because the mean of its divisors is an integer number (1626885).

Almost surely, 242674805 is an apocalyptic number.

42674805 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42674805 is a deficient number, since it is larger than the sum of its proper divisors (35415675).

42674805 is a wasteful number, since it uses less digits than its factorization.

42674805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 42674805 is about 6532.5955790941. The cubic root of 42674805 is about 349.4544016353.

The spelling of 42674805 in words is "forty-two million, six hundred seventy-four thousand, eight hundred five".

Divisors: 1 3 5 9 15 29 45 53 87 145 159 261 265 435 477 617 795 1305 1537 1851 2385 3085 4611 5553 7685 9255 13833 17893 23055 27765 32701 53679 69165 89465 98103 161037 163505 268395 294309 490515 805185 948329 1471545 2844987 4741645 8534961 14224935 42674805