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13242090 = 235441403
BaseRepresentation
bin110010100000…
…111011101010
3220220202201210
4302200323222
511342221330
61151453550
7220361451
oct62407352
926822653
1013242090
117524a84
1245272b6
132988474
141a89b98
1512688b0
hexca0eea

13242090 has 16 divisors (see below), whose sum is σ = 31781088. Its totient is φ = 3531216.

The previous prime is 13242079. The next prime is 13242101. The reversal of 13242090 is 9024231.

13242090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13242079) and next prime (13242101).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220672 + ... + 220731.

It is an arithmetic number, because the mean of its divisors is an integer number (1986318).

Almost surely, 213242090 is an apocalyptic number.

13242090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13242090 is an abundant number, since it is smaller than the sum of its proper divisors (18538998).

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

13242090 is a wasteful number, since it uses less digits than its factorization.

13242090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441413.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 13242090 is about 3638.9682603727. The cubic root of 13242090 is about 236.5840770693.

The spelling of 13242090 in words is "thirteen million, two hundred forty-two thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 441403 882806 1324209 2207015 2648418 4414030 6621045 13242090