Search a number
-
+
525030142 = 271317169693
BaseRepresentation
bin11111010010110…
…101001011111110
31100120221021221211
4133102311023332
52033401431032
6124033115034
716003453060
oct3722651376
91316837854
10525030142
1124a402a0a
121279b8a7a
1384a09c30
144da2d730
153115e747
hex1f4b52fe

525030142 has 32 divisors (see below), whose sum is σ = 1026309312. Its totient is φ = 195485184.

The previous prime is 525030119. The next prime is 525030179. The reversal of 525030142 is 241030525.

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 15 ways as a sum of consecutive naturals, for example, 81753 + ... + 87940.

It is an arithmetic number, because the mean of its divisors is an integer number (32072166).

Almost surely, 2525030142 is an apocalyptic number.

525030142 is a deficient number, since it is larger than the sum of its proper divisors (501279170).

525030142 is a wasteful number, since it uses less digits than its factorization.

525030142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169732.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 525030142 is about 22913.5362177033. The cubic root of 525030142 is about 806.7297614363.

Adding to 525030142 its reverse (241030525), we get a palindrome (766060667).

The spelling of 525030142 in words is "five hundred twenty-five million, thirty thousand, one hundred forty-two".

Divisors: 1 2 7 13 14 17 26 34 91 119 182 221 238 442 1547 3094 169693 339386 1187851 2206009 2375702 2884781 4412018 5769562 15442063 20193467 30884126 37502153 40386934 75004306 262515071 525030142