Search a number
-
+
42336525 = 3527117331
BaseRepresentation
bin1010000110000…
…0000100001101
32221122220210110
42201200010031
541314232100
64111230233
71022566050
oct241400415
987586713
1042336525
1121997070
1212218379
138a041ca
1458a0a97
153ab4250
hex286010d

42336525 has 48 divisors (see below), whose sum is σ = 87280128. Its totient is φ = 17592000.

The previous prime is 42336509. The next prime is 42336527. The reversal of 42336525 is 52563324.

It is not a de Polignac number, because 42336525 - 24 = 42336509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42336492 and 42336501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42336527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2110 + ... + 9440.

It is an arithmetic number, because the mean of its divisors is an integer number (1818336).

Almost surely, 242336525 is an apocalyptic number.

It is an amenable number.

42336525 is an abundant number, since it is smaller than the sum of its proper divisors (44943603).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42336525 is a wasteful number, since it uses less digits than its factorization.

42336525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7362 (or 7357 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The square root of 42336525 is about 6506.6523650799. The cubic root of 42336525 is about 348.5285846789.

Adding to 42336525 its reverse (52563324), we get a palindrome (94899849).

The spelling of 42336525 in words is "forty-two million, three hundred thirty-six thousand, five hundred twenty-five".

Divisors: 1 3 5 7 11 15 21 25 33 35 55 75 77 105 165 175 231 275 385 525 825 1155 1925 5775 7331 21993 36655 51317 80641 109965 153951 183275 241923 256585 403205 549825 564487 769755 1209615 1282925 1693461 2016025 2822435 3848775 6048075 8467305 14112175 42336525