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13200124 = 227895297
BaseRepresentation
bin110010010110…
…101011111100
3220211122011111
4302112223330
511334400444
61150531404
7220125220
oct62265374
926748144
1013200124
1174a64a3
124506b64
132972332
141a78780
15125b234
hexc96afc

13200124 has 24 divisors (see below), whose sum is σ = 26701920. Its totient is φ = 5592576.

The previous prime is 13200119. The next prime is 13200169. The reversal of 13200124 is 42100231.

It is a zygodrome in base 5.

It is a congruent number.

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, 157 + ... + 5140.

It is an arithmetic number, because the mean of its divisors is an integer number (1112580).

Almost surely, 213200124 is an apocalyptic number.

13200124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13200124 is an abundant number, since it is smaller than the sum of its proper divisors (13501796).

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

13200124 is a wasteful number, since it uses less digits than its factorization.

13200124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5397 (or 5395 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 13200124 is about 3633.1974898153. The cubic root of 13200124 is about 236.3338901243. Note that the first 3 decimals are identical.

Adding to 13200124 its reverse (42100231), we get a palindrome (55300355).

The spelling of 13200124 in words is "thirteen million, two hundred thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 28 89 178 356 623 1246 2492 5297 10594 21188 37079 74158 148316 471433 942866 1885732 3300031 6600062 13200124