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13275090 = 2375607
BaseRepresentation
bin110010101000…
…111111010010
3220222110000000
4302220333102
511344300330
61152310430
7220556613
oct62507722
926873000
1013275090
117547854
124542416
13299a4aa
141a97c0a
151273560
hexca8fd2

13275090 has 64 divisors (see below), whose sum is σ = 35896320. Its totient is φ = 3534192.

The previous prime is 13275077. The next prime is 13275107. The reversal of 13275090 is 9057231.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21567 + ... + 22173.

It is an arithmetic number, because the mean of its divisors is an integer number (560880).

Almost surely, 213275090 is an apocalyptic number.

13275090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13275090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17948160).

13275090 is an abundant number, since it is smaller than the sum of its proper divisors (22621230).

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

13275090 is an frugal number, since it uses more digits than its factorization.

13275090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 13275090 is about 3643.4996912309. The cubic root of 13275090 is about 236.7804407885.

The spelling of 13275090 in words is "thirteen million, two hundred seventy-five thousand, ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 243 270 405 486 607 729 810 1214 1215 1458 1821 2187 2430 3035 3642 3645 4374 5463 6070 7290 9105 10926 10935 16389 18210 21870 27315 32778 49167 54630 81945 98334 147501 163890 245835 295002 442503 491670 737505 885006 1327509 1475010 2212515 2655018 4425030 6637545 13275090