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13140430 = 251314043
BaseRepresentation
bin110010001000…
…000111001110
3220201121021121
4302020013032
511330443210
61145351154
7216456202
oct62100716
926647247
1013140430
117465666
1244984ba
132951104
141a60b02
1512486da
hexc881ce

13140430 has 8 divisors (see below), whose sum is σ = 23652792. Its totient is φ = 5256168.

The previous prime is 13140427. The next prime is 13140433. The reversal of 13140430 is 3404131.

It is an interprime number because it is at equal distance from previous prime (13140427) and next prime (13140433).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657012 + ... + 657031.

It is an arithmetic number, because the mean of its divisors is an integer number (2956599).

Almost surely, 213140430 is an apocalyptic number.

13140430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13140430 is a deficient number, since it is larger than the sum of its proper divisors (10512362).

13140430 is a wasteful number, since it uses less digits than its factorization.

13140430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314050.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13140430 is about 3624.9731033485. The cubic root of 13140430 is about 235.9770996644.

Adding to 13140430 its reverse (3404131), we get a palindrome (16544561).

The spelling of 13140430 in words is "thirteen million, one hundred forty thousand, four hundred thirty".

Divisors: 1 2 5 10 1314043 2628086 6570215 13140430