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13224552 = 2331150093
BaseRepresentation
bin110010011100…
…101001101000
3220212212200020
4302130221220
511341141202
61151240440
7220256355
oct62345150
926785606
1013224552
117512890
124519120
1329804a3
141a8362c
1512635bc
hexc9ca68

13224552 has 32 divisors (see below), whose sum is σ = 36067680. Its totient is φ = 4007360.

The previous prime is 13224539. The next prime is 13224559. The reversal of 13224552 is 25542231.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (13224559) 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, 24783 + ... + 25310.

It is an arithmetic number, because the mean of its divisors is an integer number (1127115).

Almost surely, 213224552 is an apocalyptic number.

13224552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13224552 is an abundant number, since it is smaller than the sum of its proper divisors (22843128).

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

13224552 is a wasteful number, since it uses less digits than its factorization.

13224552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50113 (or 50109 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 13224552 is about 3636.5577130028. The cubic root of 13224552 is about 236.4795858939.

Adding to 13224552 its reverse (25542231), we get a palindrome (38766783).

The spelling of 13224552 in words is "thirteen million, two hundred twenty-four thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 50093 100186 150279 200372 300558 400744 551023 601116 1102046 1202232 1653069 2204092 3306138 4408184 6612276 13224552