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13140230 = 251314023
BaseRepresentation
bin110010001000…
…000100000110
3220201121000012
4302020010012
511330441410
61145350222
7216455465
oct62100406
926647005
1013140230
1174654a4
124498372
132950cac
141a609dc
151248605
hexc88106

13140230 has 8 divisors (see below), whose sum is σ = 23652432. Its totient is φ = 5256088.

The previous prime is 13140221. The next prime is 13140271. The reversal of 13140230 is 3204131.

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

It is a congruent 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, 657002 + ... + 657021.

It is an arithmetic number, because the mean of its divisors is an integer number (2956554).

Almost surely, 213140230 is an apocalyptic number.

13140230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13140230 is a deficient number, since it is larger than the sum of its proper divisors (10512202).

13140230 is a wasteful number, since it uses less digits than its factorization.

13140230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314030.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13140230 is about 3624.9455168319. The cubic root of 13140230 is about 235.9759024519.

Adding to 13140230 its reverse (3204131), we get a palindrome (16344361).

The spelling of 13140230 in words is "thirteen million, one hundred forty thousand, two hundred thirty".

Divisors: 1 2 5 10 1314023 2628046 6570115 13140230