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13964500 = 2253112539
BaseRepresentation
bin110101010001…
…010011010100
3222021110200201
4311101103110
512033331000
61215150244
7226460554
oct65212324
928243621
1013964500
117978810
124815384
132b7c224
141bd7164
15135c96a
hexd514d4

13964500 has 48 divisors (see below), whose sum is σ = 33284160. Its totient is φ = 5076000.

The previous prime is 13964491. The next prime is 13964507. The reversal of 13964500 is 546931.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13964507) 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 15 ways as a sum of consecutive naturals, for example, 4231 + ... + 6769.

It is an arithmetic number, because the mean of its divisors is an integer number (693420).

Almost surely, 213964500 is an apocalyptic number.

13964500 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 13964500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16642080).

13964500 is an abundant number, since it is smaller than the sum of its proper divisors (19319660).

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

13964500 is a wasteful number, since it uses less digits than its factorization.

13964500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569 (or 2557 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 13964500 is about 3736.9104886256. The cubic root of 13964500 is about 240.8103395817.

Subtracting from 13964500 its reverse (546931), we obtain a square (13417569 = 36632).

The spelling of 13964500 in words is "thirteen million, nine hundred sixty-four thousand, five hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 125 220 250 275 500 550 1100 1375 2539 2750 5078 5500 10156 12695 25390 27929 50780 55858 63475 111716 126950 139645 253900 279290 317375 558580 634750 698225 1269500 1396450 2792900 3491125 6982250 13964500