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13230495 = 3254171101
BaseRepresentation
bin110010011110…
…000110011111
3220220011211100
4302132012133
511341333440
61151324143
7220312605
oct62360637
926804740
1013230495
1175172a3
124520653
1329830c5
141a85875
151265230
hexc9e19f

13230495 has 48 divisors (see below), whose sum is σ = 24058944. Its totient is φ = 6720000.

The previous prime is 13230493. The next prime is 13230523. The reversal of 13230495 is 59403231.

13230495 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13230495 - 21 = 13230493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230493) 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, 130945 + ... + 131045.

It is an arithmetic number, because the mean of its divisors is an integer number (501228).

Almost surely, 213230495 is an apocalyptic number.

13230495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13230495 is a deficient number, since it is larger than the sum of its proper divisors (10828449).

13230495 is a wasteful number, since it uses less digits than its factorization.

13230495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 13230495 is about 3637.3747401113. The cubic root of 13230495 is about 236.5150045532.

The spelling of 13230495 in words is "thirteen million, two hundred thirty thousand, four hundred ninety-five".

Divisors: 1 3 5 9 15 41 45 71 101 123 205 213 303 355 369 505 615 639 909 1065 1515 1845 2911 3195 4141 4545 7171 8733 12423 14555 20705 21513 26199 35855 37269 43665 62115 64539 107565 130995 186345 294011 322695 882033 1470055 2646099 4410165 13230495