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13224408 = 233551017
BaseRepresentation
bin110010011100…
…100111011000
3220212212110220
4302130213120
511341140113
61151240040
7220256061
oct62344730
926785426
1013224408
11751276a
124519020
1329803c2
141a83568
151263523
hexc9c9d8

13224408 has 16 divisors (see below), whose sum is σ = 33061080. Its totient is φ = 4408128.

The previous prime is 13224391. The next prime is 13224457. The reversal of 13224408 is 80442231.

13224408 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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), and also a Moran number because the ratio is a prime number: 551017 = 13224408 / (1 + 3 + 2 + 2 + 4 + 4 + 0 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275485 + ... + 275532.

Almost surely, 213224408 is an apocalyptic number.

It is an amenable number.

13224408 is an abundant number, since it is smaller than the sum of its proper divisors (19836672).

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

13224408 is a wasteful number, since it uses less digits than its factorization.

13224408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551026 (or 551022 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 13224408 is about 3636.5379140056. The cubic root of 13224408 is about 236.4787275615.

Adding to 13224408 its reverse (80442231), we get a palindrome (93666639).

The spelling of 13224408 in words is "thirteen million, two hundred twenty-four thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 12 24 551017 1102034 1653051 2204068 3306102 4408136 6612204 13224408