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13009452 = 2231957059
BaseRepresentation
bin110001101000…
…001000101100
3220110221121120
4301220020230
511312300302
61142500540
7215402301
oct61501054
926427546
1013009452
117386215
124434750
132906601
141a290a8
15121e9bc
hexc6822c

13009452 has 24 divisors (see below), whose sum is σ = 31953600. Its totient is φ = 4108176.

The previous prime is 13009439. The next prime is 13009453. The reversal of 13009452 is 25490031.

It is not an unprimeable number, because it can be changed into a prime (13009453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28302 + ... + 28757.

It is an arithmetic number, because the mean of its divisors is an integer number (1331400).

Almost surely, 213009452 is an apocalyptic number.

13009452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13009452 is an abundant number, since it is smaller than the sum of its proper divisors (18944148).

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

13009452 is a wasteful number, since it uses less digits than its factorization.

13009452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57085 (or 57083 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 13009452 is about 3606.8617938590. The cubic root of 13009452 is about 235.1904416727.

Adding to 13009452 its reverse (25490031), we get a palindrome (38499483).

The spelling of 13009452 in words is "thirteen million, nine thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 57059 114118 171177 228236 342354 684708 1084121 2168242 3252363 4336484 6504726 13009452