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13189306 = 2131926699
BaseRepresentation
bin110010010100…
…000010111010
3220211002022211
4302110002322
511334024211
61150405334
7220051534
oct62240272
926732284
1013189306
117499359
12450084a
13296a430
141a74854
151257e21
hexc940ba

13189306 has 16 divisors (see below), whose sum is σ = 22428000. Its totient is φ = 5766768.

The previous prime is 13189283. The next prime is 13189321. The reversal of 13189306 is 60398131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12856 + ... + 13843.

It is an arithmetic number, because the mean of its divisors is an integer number (1401750).

Almost surely, 213189306 is an apocalyptic number.

13189306 is a deficient number, since it is larger than the sum of its proper divisors (9238694).

13189306 is a wasteful number, since it uses less digits than its factorization.

13189306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26733.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 13189306 is about 3631.7084134055. The cubic root of 13189306 is about 236.2693109641.

The spelling of 13189306 in words is "thirteen million, one hundred eighty-nine thousand, three hundred six".

Divisors: 1 2 13 19 26 38 247 494 26699 53398 347087 507281 694174 1014562 6594653 13189306