Search a number
-
+
13694560 = 2551131251
BaseRepresentation
bin110100001111…
…011001100000
3221202202101221
4310033121200
512001211220
61205304424
7224254555
oct64173140
927682357
1013694560
117803a20
124705114
132ab63b9
141b66a2c
1513079aa
hexd0f660

13694560 has 96 divisors (see below), whose sum is σ = 36578304. Its totient is φ = 4800000.

The previous prime is 13694543. The next prime is 13694563. The reversal of 13694560 is 6549631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13694563) 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, 54435 + ... + 54685.

It is an arithmetic number, because the mean of its divisors is an integer number (381024).

Almost surely, 213694560 is an apocalyptic number.

13694560 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 13694560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18289152).

13694560 is an abundant number, since it is smaller than the sum of its proper divisors (22883744).

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

13694560 is a wasteful number, since it uses less digits than its factorization.

13694560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 13694560 is about 3700.6161649109. The cubic root of 13694560 is about 239.2485757211.

Subtracting from 13694560 its reverse (6549631), we obtain a square (7144929 = 26732).

It can be divided in two parts, 1369 and 4560, that added together give a square (5929 = 772).

The spelling of 13694560 in words is "thirteen million, six hundred ninety-four thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 11 16 20 22 31 32 40 44 55 62 80 88 110 124 155 160 176 220 248 251 310 341 352 440 496 502 620 682 880 992 1004 1240 1255 1364 1705 1760 2008 2480 2510 2728 2761 3410 4016 4960 5020 5456 5522 6820 7781 8032 10040 10912 11044 13640 13805 15562 20080 22088 27280 27610 31124 38905 40160 44176 54560 55220 62248 77810 85591 88352 110440 124496 155620 171182 220880 248992 311240 342364 427955 441760 622480 684728 855910 1244960 1369456 1711820 2738912 3423640 6847280 13694560