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506531245 = 5111272571
BaseRepresentation
bin11110001100010…
…000110110101101
31022022010110020111
4132030100312231
52014132444440
6122132420021
715360305323
oct3614206655
91268113214
10506531245
1123aa18470
12121777611
1380c30b3c
144b3b5d13
152e7084ea
hex1e310dad

506531245 has 24 divisors (see below), whose sum is σ = 669528288. Its totient is φ = 364845600.

The previous prime is 506531213. The next prime is 506531257. The reversal of 506531245 is 542135605.

It is not a de Polignac number, because 506531245 - 25 = 506531213 is a prime.

It is a super-2 number, since 2×5065312452 = 513147804322500050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 886810 + ... + 887380.

It is an arithmetic number, because the mean of its divisors is an integer number (27897012).

Almost surely, 2506531245 is an apocalyptic number.

506531245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

506531245 is a deficient number, since it is larger than the sum of its proper divisors (162997043).

506531245 is a wasteful number, since it uses less digits than its factorization.

506531245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 506531245 is about 22506.2490211052. The cubic root of 506531245 is about 797.1414884087.

The spelling of 506531245 in words is "five hundred six million, five hundred thirty-one thousand, two hundred forty-five".

Divisors: 1 5 11 55 127 571 635 1397 2855 6281 6985 16129 31405 72517 80645 177419 362585 797687 887095 3988435 9209659 46048295 101306249 506531245