Search a number
-
+
42325245 = 3251098629
BaseRepresentation
bin1010000101110…
…1010011111101
32221122100022200
42201131103331
541313401440
64111102113
71022521134
oct241352375
987570280
1042325245
1121989646
1212211939
1389cc031
14589a91b
153ab0c30
hex285d4fd

42325245 has 24 divisors (see below), whose sum is σ = 74045400. Its totient is φ = 22363776.

The previous prime is 42325207. The next prime is 42325249. The reversal of 42325245 is 54252324.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12152196 + 30173049 = 3486^2 + 5493^2 .

It is not a de Polignac number, because 42325245 - 27 = 42325117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42325249) 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, 591 + ... + 9219.

It is an arithmetic number, because the mean of its divisors is an integer number (3085225).

Almost surely, 242325245 is an apocalyptic number.

42325245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42325245 is a deficient number, since it is larger than the sum of its proper divisors (31720155).

42325245 is a wasteful number, since it uses less digits than its factorization.

42325245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8749 (or 8746 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 42325245 is about 6505.7855021511. The cubic root of 42325245 is about 348.4976283385.

Adding to 42325245 its reverse (54252324), we get a palindrome (96577569).

The spelling of 42325245 in words is "forty-two million, three hundred twenty-five thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 45 109 327 545 981 1635 4905 8629 25887 43145 77661 129435 388305 940561 2821683 4702805 8465049 14108415 42325245