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13102452 = 22331141269
BaseRepresentation
bin110001111110…
…110101110100
3220122200012000
4301332311310
511323234302
61144455300
7216240366
oct61766564
926580160
1013102452
11743a080
12447a530
132939a3c
141a50d36
15123c31c
hexc7ed74

13102452 has 96 divisors (see below), whose sum is σ = 38102400. Its totient is φ = 3859200.

The previous prime is 13102417. The next prime is 13102459. The reversal of 13102452 is 25420131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13102459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48574 + ... + 48842.

It is an arithmetic number, because the mean of its divisors is an integer number (396900).

Almost surely, 213102452 is an apocalyptic number.

13102452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13102452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19051200).

13102452 is an abundant number, since it is smaller than the sum of its proper divisors (24999948).

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

13102452 is a wasteful number, since it uses less digits than its factorization.

13102452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 13102452 is about 3619.7309292266. The cubic root of 13102452 is about 235.7495427781.

Adding to 13102452 its reverse (25420131), we get a palindrome (38522583).

The spelling of 13102452 in words is "thirteen million, one hundred two thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 41 44 54 66 82 99 108 123 132 164 198 246 269 297 369 396 451 492 538 594 738 807 902 1076 1107 1188 1353 1476 1614 1804 2214 2421 2706 2959 3228 4059 4428 4842 5412 5918 7263 8118 8877 9684 11029 11836 12177 14526 16236 17754 22058 24354 26631 29052 33087 35508 44116 48708 53262 66174 79893 99261 106524 121319 132348 159786 198522 242638 297783 319572 363957 397044 485276 595566 727914 1091871 1191132 1455828 2183742 3275613 4367484 6551226 13102452