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12315303 = 32711131367
BaseRepresentation
bin101110111110…
…101010100111
3212011200102100
4232332222213
511123042203
61115543143
7206451450
oct56765247
925150370
1012315303
116a51740
12415aab3
132722680
1418c8127
151133ea3
hexbbeaa7

12315303 has 48 divisors (see below), whose sum is σ = 23901696. Its totient is φ = 5901120.

The previous prime is 12315301. The next prime is 12315323. The reversal of 12315303 is 30351321.

It is not a de Polignac number, because 12315303 - 21 = 12315301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315301) 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, 8326 + ... + 9692.

It is an arithmetic number, because the mean of its divisors is an integer number (497952).

Almost surely, 212315303 is an apocalyptic number.

12315303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12315303 is a deficient number, since it is larger than the sum of its proper divisors (11586393).

12315303 is a wasteful number, since it uses less digits than its factorization.

12315303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404 (or 1401 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 12315303 is about 3509.3166001374. The cubic root of 12315303 is about 230.9307151519.

Adding to 12315303 its reverse (30351321), we get a palindrome (42666624).

The spelling of 12315303 in words is "twelve million, three hundred fifteen thousand, three hundred three".

Divisors: 1 3 7 9 11 13 21 33 39 63 77 91 99 117 143 231 273 429 693 819 1001 1287 1367 3003 4101 9009 9569 12303 15037 17771 28707 45111 53313 86121 105259 124397 135333 159939 195481 315777 373191 586443 947331 1119573 1368367 1759329 4105101 12315303