Search a number
-
+
42254205 = 3571033907
BaseRepresentation
bin1010000100101…
…1111101111101
32221111201212120
42201023331331
541304113310
64105353153
71022104050
oct241137575
987451776
1042254205
1121940234
12121987b9
1389a58b6
14587ca97
153a99b70
hex284bf7d

42254205 has 32 divisors (see below), whose sum is σ = 78034944. Its totient is φ = 19123776.

The previous prime is 42254183. The next prime is 42254213. The reversal of 42254205 is 50245224.

It is a happy number.

It is not a de Polignac number, because 42254205 - 27 = 42254077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8862 + ... + 12768.

It is an arithmetic number, because the mean of its divisors is an integer number (2438592).

Almost surely, 242254205 is an apocalyptic number.

It is an amenable number.

42254205 is a deficient number, since it is larger than the sum of its proper divisors (35780739).

42254205 is a wasteful number, since it uses less digits than its factorization.

42254205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 42254205 is about 6500.3234534906. The cubic root of 42254205 is about 348.3025427533.

Adding to 42254205 its reverse (50245224), we get a palindrome (92499429).

The spelling of 42254205 in words is "forty-two million, two hundred fifty-four thousand, two hundred five".

Divisors: 1 3 5 7 15 21 35 103 105 309 515 721 1545 2163 3605 3907 10815 11721 19535 27349 58605 82047 136745 402421 410235 1207263 2012105 2816947 6036315 8450841 14084735 42254205