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13269140 = 2255031319
BaseRepresentation
bin110010100111…
…100010010100
3220222010211122
4302213202110
511344103030
61152223112
7220533353
oct62474224
926863748
1013269140
117543335
12453aa98
132997881
141a9599a
1512718e5
hexca7894

13269140 has 24 divisors (see below), whose sum is σ = 27941760. Its totient is φ = 5293088.

The previous prime is 13269103. The next prime is 13269143. The reversal of 13269140 is 4196231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13269143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9401 + ... + 10719.

It is an arithmetic number, because the mean of its divisors is an integer number (1164240).

Almost surely, 213269140 is an apocalyptic number.

13269140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13269140 is an abundant number, since it is smaller than the sum of its proper divisors (14672620).

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

13269140 is a wasteful number, since it uses less digits than its factorization.

13269140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831 (or 1829 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 13269140 is about 3642.6830770738. The cubic root of 13269140 is about 236.7450598818.

The spelling of 13269140 in words is "thirteen million, two hundred sixty-nine thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 503 1006 1319 2012 2515 2638 5030 5276 6595 10060 13190 26380 663457 1326914 2653828 3317285 6634570 13269140