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13140258 = 232190043
BaseRepresentation
bin110010001000…
…000100100010
3220201121001020
4302020010202
511330442013
61145350310
7216455535
oct62100442
926647036
1013140258
11746551a
124498396
132951001
141a60a1c
151248623
hexc88122

13140258 has 8 divisors (see below), whose sum is σ = 26280528. Its totient is φ = 4380084.

The previous prime is 13140221. The next prime is 13140271. The reversal of 13140258 is 85204131.

It is a sphenic number, since it is the product of 3 distinct primes.

13140258 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1095016 + ... + 1095027.

It is an arithmetic number, because the mean of its divisors is an integer number (3285066).

Almost surely, 213140258 is an apocalyptic number.

13140258 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13140258 is a wasteful number, since it uses less digits than its factorization.

13140258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190048.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 13140258 is about 3624.9493789569. The cubic root of 13140258 is about 235.9760700624.

Adding to 13140258 its reverse (85204131), we get a palindrome (98344389).

The spelling of 13140258 in words is "thirteen million, one hundred forty thousand, two hundred fifty-eight".

Divisors: 1 2 3 6 2190043 4380086 6570129 13140258