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13742800 = 2452174347
BaseRepresentation
bin110100011011…
…001011010000
3221212012120121
4310123023100
512004232200
61210320024
7224545321
oct64331320
927765517
1013742800
117837195
124729014
132b02346
141b7a448
151316e1a
hexd1b2d0

13742800 has 120 divisors (see below), whose sum is σ = 36533376. Its totient is φ = 4945920.

The previous prime is 13742777. The next prime is 13742803. The reversal of 13742800 is 824731.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13742803) 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 23 ways as a sum of consecutive naturals, for example, 292377 + ... + 292423.

Almost surely, 213742800 is an apocalyptic number.

13742800 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 13742800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18266688).

13742800 is an abundant number, since it is smaller than the sum of its proper divisors (22790576).

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

13742800 is a wasteful number, since it uses less digits than its factorization.

13742800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 13742800 is about 3707.1282686198. The cubic root of 13742800 is about 239.5291695244.

It can be divided in two parts, 137 and 42800, that multiplied together give a triangular number (5863600 = T3424).

The spelling of 13742800 in words is "thirteen million, seven hundred forty-two thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 17 20 25 34 40 43 47 50 68 80 85 86 94 100 136 170 172 188 200 215 235 272 340 344 376 400 425 430 470 680 688 731 752 799 850 860 940 1075 1175 1360 1462 1598 1700 1720 1880 2021 2150 2350 2924 3196 3400 3440 3655 3760 3995 4042 4300 4700 5848 6392 6800 7310 7990 8084 8600 9400 10105 11696 12784 14620 15980 16168 17200 18275 18800 19975 20210 29240 31960 32336 34357 36550 39950 40420 50525 58480 63920 68714 73100 79900 80840 101050 137428 146200 159800 161680 171785 202100 274856 292400 319600 343570 404200 549712 687140 808400 858925 1374280 1717850 2748560 3435700 6871400 13742800