Search a number
-
+
45742045 = 547194647
BaseRepresentation
bin1010111001111…
…1011111011101
310012001221021211
42232133133131
543202221140
64312224421
71063541506
oct256373735
9105057254
1045742045
1123902748
121339b111
1396272cb
146109bad
1540382ea
hex2b9f7dd

45742045 has 8 divisors (see below), whose sum is σ = 56058624. Its totient is φ = 35814864.

The previous prime is 45742033. The next prime is 45742069. The reversal of 45742045 is 54024754.

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 45742045 - 25 = 45742013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45741998 and 45742016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97089 + ... + 97558.

It is an arithmetic number, because the mean of its divisors is an integer number (7007328).

Almost surely, 245742045 is an apocalyptic number.

It is an amenable number.

45742045 is a deficient number, since it is larger than the sum of its proper divisors (10316579).

45742045 is a wasteful number, since it uses less digits than its factorization.

45742045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194699.

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 45742045 is about 6763.2865531486. The cubic root of 45742045 is about 357.6337739214.

Adding to 45742045 its reverse (54024754), we get a palindrome (99766799).

The spelling of 45742045 in words is "forty-five million, seven hundred forty-two thousand, forty-five".

Divisors: 1 5 47 235 194647 973235 9148409 45742045