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13224290 = 2529311471
BaseRepresentation
bin110010011100…
…100101100010
3220212212022112
4302130211202
511341134130
61151235322
7220255532
oct62344542
926785275
1013224290
117512672
124518b42
132980331
141a834c2
151263495
hexc9c962

13224290 has 32 divisors (see below), whose sum is σ = 25436160. Its totient is φ = 4939200.

The previous prime is 13224271. The next prime is 13224313. The reversal of 13224290 is 9242231.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8255 + ... + 9725.

It is an arithmetic number, because the mean of its divisors is an integer number (794880).

Almost surely, 213224290 is an apocalyptic number.

13224290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13224290 is a deficient number, since it is larger than the sum of its proper divisors (12211870).

13224290 is a wasteful number, since it uses less digits than its factorization.

13224290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 13224290 is about 3636.5216897469. The cubic root of 13224290 is about 236.4780242011.

The spelling of 13224290 in words is "thirteen million, two hundred twenty-four thousand, two hundred ninety".

Divisors: 1 2 5 10 29 31 58 62 145 155 290 310 899 1471 1798 2942 4495 7355 8990 14710 42659 45601 85318 91202 213295 228005 426590 456010 1322429 2644858 6612145 13224290