Search a number
-
+
42386049 = 3217449617
BaseRepresentation
bin1010000110110…
…0001010000001
32221202102201200
42201230022001
541322323144
64112251413
71023163326
oct241541201
987672650
1042386049
1121a202a2
1212240b69
138a20904
1458b4b4d
153ac3c69
hex286c281

42386049 has 24 divisors (see below), whose sum is σ = 65075400. Its totient is φ = 26492928.

The previous prime is 42386041. The next prime is 42386059. The reversal of 42386049 is 94068324.

It is a happy number.

42386049 is a `hidden beast` number, since 42 + 3 + 8 + 604 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3448449 + 38937600 = 1857^2 + 6240^2 .

It is not a de Polignac number, because 42386049 - 23 = 42386041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42386041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68389 + ... + 69005.

It is an arithmetic number, because the mean of its divisors is an integer number (2711475).

Almost surely, 242386049 is an apocalyptic number.

It is an amenable number.

42386049 is a deficient number, since it is larger than the sum of its proper divisors (22689351).

42386049 is a wasteful number, since it uses less digits than its factorization.

42386049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089 (or 1086 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 42386049 is about 6510.4568964090. The cubic root of 42386049 is about 348.6644311591.

The spelling of 42386049 in words is "forty-two million, three hundred eighty-six thousand, forty-nine".

Divisors: 1 3 9 17 51 153 449 617 1347 1851 4041 5553 7633 10489 22899 31467 68697 94401 277033 831099 2493297 4709561 14128683 42386049