Search a number
-
+
13735072 = 2513137241
BaseRepresentation
bin110100011001…
…010010100000
3221211210222101
4310121102200
512004010242
61210220144
7224513641
oct64312240
927753871
1013735072
1178313aa
124724654
132acb980
141b776c8
1513149b7
hexd194a0

13735072 has 48 divisors (see below), whose sum is σ = 29455272. Its totient is φ = 6266880.

The previous prime is 13735069. The next prime is 13735079. The reversal of 13735072 is 27053731.

It can be written as a sum of positive squares in 4 ways, for example, as 11532816 + 2202256 = 3396^2 + 1484^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13735072.

It is not an unprimeable number, because it can be changed into a prime (13735079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56872 + ... + 57112.

Almost surely, 213735072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13735072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14727636).

13735072 is an abundant number, since it is smaller than the sum of its proper divisors (15720200).

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

13735072 is a wasteful number, since it uses less digits than its factorization.

13735072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 13735072 is about 3706.0858058064. The cubic root of 13735072 is about 239.4842628944.

It can be divided in two parts, 137 and 35072, that multiplied together give a square (4804864 = 21922).

The spelling of 13735072 in words is "thirteen million, seven hundred thirty-five thousand, seventy-two".

Divisors: 1 2 4 8 13 16 26 32 52 104 137 208 241 274 416 482 548 964 1096 1781 1928 2192 3133 3562 3856 4384 6266 7124 7712 12532 14248 25064 28496 33017 50128 56992 66034 100256 132068 264136 429221 528272 858442 1056544 1716884 3433768 6867536 13735072