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13116400 = 2452112271
BaseRepresentation
bin110010000010…
…001111110000
3220200101022121
4302002033300
511324211100
61145044024
7216326143
oct62021760
926611277
1013116400
117449600
124486614
1329431ab
141a5605a
15124151a
hexc823f0

13116400 has 90 divisors (see below), whose sum is σ = 34765136. Its totient is φ = 4752000.

The previous prime is 13116391. The next prime is 13116409. The reversal of 13116400 is 461131.

It is an interprime number because it is at equal distance from previous prime (13116391) and next prime (13116409).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13116409) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 48265 + ... + 48535.

Almost surely, 213116400 is an apocalyptic number.

13116400 is a gapful number since it is divisible by the number (10) 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 13116400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17382568).

13116400 is an abundant number, since it is smaller than the sum of its proper divisors (21648736).

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

13116400 is a wasteful number, since it uses less digits than its factorization.

13116400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 13116400 is about 3621.6570792940. The cubic root of 13116400 is about 235.8331675454.

Adding to 13116400 its reverse (461131), we get a palindrome (13577531).

The spelling of 13116400 in words is "thirteen million, one hundred sixteen thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 121 176 200 220 242 271 275 400 440 484 542 550 605 880 968 1084 1100 1210 1355 1936 2168 2200 2420 2710 2981 3025 4336 4400 4840 5420 5962 6050 6775 9680 10840 11924 12100 13550 14905 21680 23848 24200 27100 29810 32791 47696 48400 54200 59620 65582 74525 108400 119240 131164 149050 163955 238480 262328 298100 327910 524656 596200 655820 819775 1192400 1311640 1639550 2623280 3279100 6558200 13116400