Search a number
-
+
525514132 = 2211213174
BaseRepresentation
bin11111010100101…
…011010110010100
31100121211212212101
4133110223112110
52034012423012
6124051331444
716010540113
oct3724532624
91317755771
10525514132
1124a703600
12127bb0b84
1384b49310
144db17c7a
1531207d57
hex1f52b594

525514132 has 90 divisors (see below), whose sum is σ = 1156650194. Its totient is φ = 207525120.

The previous prime is 525514123. The next prime is 525514163. The reversal of 525514132 is 231415525.

It can be written as a sum of positive squares in 5 ways, for example, as 4356 + 525509776 = 66^2 + 22924^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 525514132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 30912588 + ... + 30912604.

Almost surely, 2525514132 is an apocalyptic number.

525514132 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

525514132 is an abundant number, since it is smaller than the sum of its proper divisors (631136062).

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

525514132 is a wasteful number, since it uses less digits than its factorization.

525514132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 43 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 525514132 is about 22924.0950094000. The cubic root of 525514132 is about 806.9775752861.

Adding to 525514132 its reverse (231415525), we get a palindrome (756929657).

The spelling of 525514132 in words is "five hundred twenty-five million, five hundred fourteen thousand, one hundred thirty-two".

Divisors: 1 2 4 11 13 17 22 26 34 44 52 68 121 143 187 221 242 286 289 374 442 484 572 578 748 884 1156 1573 2057 2431 3146 3179 3757 4114 4862 4913 6292 6358 7514 8228 9724 9826 12716 15028 19652 26741 34969 41327 53482 54043 63869 69938 82654 83521 106964 108086 127738 139876 165308 167042 216172 255476 334084 454597 594473 702559 909194 918731 1085773 1188946 1405118 1818388 1837462 2171546 2377892 2810236 3674924 4343092 7728149 10106041 11943503 15456298 20212082 23887006 30912596 40424164 47774012 131378533 262757066 525514132