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13947000 = 233534649
BaseRepresentation
bin110101001101…
…000001111000
3222020120200120
4311031001320
512032301000
61214533240
7226355544
oct65150170
928216616
1013947000
117966651
124807220
132b74282
141bd0a24
1513576a0
hexd4d078

13947000 has 64 divisors (see below), whose sum is σ = 43524000. Its totient is φ = 3718400.

The previous prime is 13946983. The next prime is 13947029. The reversal of 13947000 is 74931.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 676 + ... + 5324.

Almost surely, 213947000 is an apocalyptic number.

13947000 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 13947000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21762000).

13947000 is an abundant number, since it is smaller than the sum of its proper divisors (29577000).

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

13947000 is a wasteful number, since it uses less digits than its factorization.

13947000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4673 (or 4659 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 13947000 is about 3734.5682481379. The cubic root of 13947000 is about 240.7097048164.

The spelling of 13947000 in words is "thirteen million, nine hundred forty-seven thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 750 1000 1500 3000 4649 9298 13947 18596 23245 27894 37192 46490 55788 69735 92980 111576 116225 139470 185960 232450 278940 348675 464900 557880 581125 697350 929800 1162250 1394700 1743375 2324500 2789400 3486750 4649000 6973500 13947000