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13143330 = 233548679
BaseRepresentation
bin110010001000…
…110100100010
3220201202021000
4302020310202
511331041310
61145412430
7216500514
oct62106442
926652230
1013143330
117467862
12449a116
132952525
141a61bb4
1512494c0
hexc88d22

13143330 has 32 divisors (see below), whose sum is σ = 35049600. Its totient is φ = 3504816.

The previous prime is 13143313. The next prime is 13143343. The reversal of 13143330 is 3334131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24070 + ... + 24609.

It is an arithmetic number, because the mean of its divisors is an integer number (1095300).

Almost surely, 213143330 is an apocalyptic number.

13143330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13143330 is an abundant number, since it is smaller than the sum of its proper divisors (21906270).

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

13143330 is a wasteful number, since it uses less digits than its factorization.

13143330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48695 (or 48689 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 13143330 is about 3625.3730842494. The cubic root of 13143330 is about 235.9944578800.

Adding to 13143330 its reverse (3334131), we get a palindrome (16477461).

The spelling of 13143330 in words is "thirteen million, one hundred forty-three thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 48679 97358 146037 243395 292074 438111 486790 730185 876222 1314333 1460370 2190555 2628666 4381110 6571665 13143330