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505112253 = 3433601647
BaseRepresentation
bin11110000110110…
…110011010111101
31022012110100202020
4132012312122331
52013302043003
6122042150353
715342245322
oct3606663275
91265410666
10505112253
1123a139348
121211b23b9
1380854cb9
144b126b49
152e527d53
hex1e1b66bd

505112253 has 16 divisors (see below), whose sum is σ = 677206656. Its totient is φ = 334886400.

The previous prime is 505112189. The next prime is 505112261. The reversal of 505112253 is 352211505.

It is a happy number.

It is not a de Polignac number, because 505112253 - 26 = 505112189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505112753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 780376 + ... + 781022.

It is an arithmetic number, because the mean of its divisors is an integer number (42325416).

Almost surely, 2505112253 is an apocalyptic number.

It is an amenable number.

505112253 is a deficient number, since it is larger than the sum of its proper divisors (172094403).

505112253 is a wasteful number, since it uses less digits than its factorization.

505112253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 505112253 is about 22474.7025119355. The cubic root of 505112253 is about 796.3964239428.

Adding to 505112253 its reverse (352211505), we get a palindrome (857323758).

The spelling of 505112253 in words is "five hundred five million, one hundred twelve thousand, two hundred fifty-three".

Divisors: 1 3 433 601 647 1299 1803 1941 260233 280151 388847 780699 840453 1166541 168370751 505112253